Home / 8,047.19-11,108.13-7,206.41

Finding the Fourth Proportional to 8,047.19, 11,108.13 and 7,206.41

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Solution

The fourth proportional to 8,047.19, 11,108.13 and 7,206.41 is: 9,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.19 : 11,108.13 = 7,206.41 : x
  2. Step 2: Convert to fraction form
    8,047.19/11,108.13 = 7,206.41/x
  3. Step 3: Cross multiply
    8,047.19x = 11,108.13 × 7,206.41
  4. Step 4: Simplify right side
    8,047.19x = 80,049,739.11
  5. Step 5: Solve for x
    x = 80,049,739.11/8,047.19
  6. Step 6: Final answer
    x = 9,947.54

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,048.19, 11,109.51 and 7,207.41
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.