Home / 10,432.38-14,396.64-5,716.68

Finding the Fourth Proportional to 10,432.38, 14,396.64 and 5,716.68

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Solution

The fourth proportional to 10,432.38, 14,396.64 and 5,716.68 is: 7,888.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.38 : 14,396.64 = 5,716.68 : x
  2. Step 2: Convert to fraction form
    10,432.38/14,396.64 = 5,716.68/x
  3. Step 3: Cross multiply
    10,432.38x = 14,396.64 × 5,716.68
  4. Step 4: Simplify right side
    10,432.38x = 82,300,983.96
  5. Step 5: Solve for x
    x = 82,300,983.96/10,432.38
  6. Step 6: Final answer
    x = 7,888.99

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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.