Home / 10,972.76-16,468.35-4,737.48

Finding the Fourth Proportional to 10,972.76, 16,468.35 and 4,737.48

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Solution

The fourth proportional to 10,972.76, 16,468.35 and 4,737.48 is: 7,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.76 : 16,468.35 = 4,737.48 : x
  2. Step 2: Convert to fraction form
    10,972.76/16,468.35 = 4,737.48/x
  3. Step 3: Cross multiply
    10,972.76x = 16,468.35 × 4,737.48
  4. Step 4: Simplify right side
    10,972.76x = 78,018,478.76
  5. Step 5: Solve for x
    x = 78,018,478.76/10,972.76
  6. Step 6: Final answer
    x = 7,110.20

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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.