Home / 10,285.68-15,425.32-3,711.01

Finding the Fourth Proportional to 10,285.68, 15,425.32 and 3,711.01

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Solution

The fourth proportional to 10,285.68, 15,425.32 and 3,711.01 is: 5,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.68 : 15,425.32 = 3,711.01 : x
  2. Step 2: Convert to fraction form
    10,285.68/15,425.32 = 3,711.01/x
  3. Step 3: Cross multiply
    10,285.68x = 15,425.32 × 3,711.01
  4. Step 4: Simplify right side
    10,285.68x = 57,243,421.09
  5. Step 5: Solve for x
    x = 57,243,421.09/10,285.68
  6. Step 6: Final answer
    x = 5,565.35

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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.