Home / 10,532.48-15,785.05-4,285.22

Finding the Fourth Proportional to 10,532.48, 15,785.05 and 4,285.22

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Solution

The fourth proportional to 10,532.48, 15,785.05 and 4,285.22 is: 6,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,532.48 : 15,785.05 = 4,285.22 : x
  2. Step 2: Convert to fraction form
    10,532.48/15,785.05 = 4,285.22/x
  3. Step 3: Cross multiply
    10,532.48x = 15,785.05 × 4,285.22
  4. Step 4: Simplify right side
    10,532.48x = 67,642,411.96
  5. Step 5: Solve for x
    x = 67,642,411.96/10,532.48
  6. Step 6: Final answer
    x = 6,422.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.