Home / 10,624.68-15,931.15-4,293.86

Finding the Fourth Proportional to 10,624.68, 15,931.15 and 4,293.86

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Solution

The fourth proportional to 10,624.68, 15,931.15 and 4,293.86 is: 6,438.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,624.68 : 15,931.15 = 4,293.86 : x
  2. Step 2: Convert to fraction form
    10,624.68/15,931.15 = 4,293.86/x
  3. Step 3: Cross multiply
    10,624.68x = 15,931.15 × 4,293.86
  4. Step 4: Simplify right side
    10,624.68x = 68,406,037.35
  5. Step 5: Solve for x
    x = 68,406,037.35/10,624.68
  6. Step 6: Final answer
    x = 6,438.41

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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.