Home / 10,251.99-15,368.40-5,565.15

Finding the Fourth Proportional to 10,251.99, 15,368.40 and 5,565.15

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Solution

The fourth proportional to 10,251.99, 15,368.40 and 5,565.15 is: 8,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.99 : 15,368.40 = 5,565.15 : x
  2. Step 2: Convert to fraction form
    10,251.99/15,368.40 = 5,565.15/x
  3. Step 3: Cross multiply
    10,251.99x = 15,368.40 × 5,565.15
  4. Step 4: Simplify right side
    10,251.99x = 85,527,451.26
  5. Step 5: Solve for x
    x = 85,527,451.26/10,251.99
  6. Step 6: Final answer
    x = 8,342.52

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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.