Home / 10,358.86-15,527.28-7,063.78

Finding the Fourth Proportional to 10,358.86, 15,527.28 and 7,063.78

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Solution

The fourth proportional to 10,358.86, 15,527.28 and 7,063.78 is: 10,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.86 : 15,527.28 = 7,063.78 : x
  2. Step 2: Convert to fraction form
    10,358.86/15,527.28 = 7,063.78/x
  3. Step 3: Cross multiply
    10,358.86x = 15,527.28 × 7,063.78
  4. Step 4: Simplify right side
    10,358.86x = 109,681,289.92
  5. Step 5: Solve for x
    x = 109,681,289.92/10,358.86
  6. Step 6: Final answer
    x = 10,588.16

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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.