Home / 8,015.10-11,047.59-6,425.34

Finding the Fourth Proportional to 8,015.10, 11,047.59 and 6,425.34

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Solution

The fourth proportional to 8,015.10, 11,047.59 and 6,425.34 is: 8,856.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.10 : 11,047.59 = 6,425.34 : x
  2. Step 2: Convert to fraction form
    8,015.10/11,047.59 = 6,425.34/x
  3. Step 3: Cross multiply
    8,015.10x = 11,047.59 × 6,425.34
  4. Step 4: Simplify right side
    8,015.10x = 70,984,521.93
  5. Step 5: Solve for x
    x = 70,984,521.93/8,015.10
  6. Step 6: Final answer
    x = 8,856.35

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Half scale
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Double scale
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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.