Home / 7,554.15-11,280.34-6,170.23

Finding the Fourth Proportional to 7,554.15, 11,280.34 and 6,170.23

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Solution

The fourth proportional to 7,554.15, 11,280.34 and 6,170.23 is: 9,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.15 : 11,280.34 = 6,170.23 : x
  2. Step 2: Convert to fraction form
    7,554.15/11,280.34 = 6,170.23/x
  3. Step 3: Cross multiply
    7,554.15x = 11,280.34 × 6,170.23
  4. Step 4: Simplify right side
    7,554.15x = 69,602,292.28
  5. Step 5: Solve for x
    x = 69,602,292.28/7,554.15
  6. Step 6: Final answer
    x = 9,213.78

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Half scale
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Double scale
Find fourth proportional to 7,555.15, 11,281.83 and 6,171.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.