Home / 28,535.59-42,792.36-9,812.08

Finding the Fourth Proportional to 28,535.59, 42,792.36 and 9,812.08

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Solution

The fourth proportional to 28,535.59, 42,792.36 and 9,812.08 is: 14,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,535.59 : 42,792.36 = 9,812.08 : x
  2. Step 2: Convert to fraction form
    28,535.59/42,792.36 = 9,812.08/x
  3. Step 3: Cross multiply
    28,535.59x = 42,792.36 × 9,812.08
  4. Step 4: Simplify right side
    28,535.59x = 419,882,059.71
  5. Step 5: Solve for x
    x = 419,882,059.71/28,535.59
  6. Step 6: Final answer
    x = 14,714.33

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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.