Home / 10,887.76-16,337.76-4,647.18

Finding the Fourth Proportional to 10,887.76, 16,337.76 and 4,647.18

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Solution

The fourth proportional to 10,887.76, 16,337.76 and 4,647.18 is: 6,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.76 : 16,337.76 = 4,647.18 : x
  2. Step 2: Convert to fraction form
    10,887.76/16,337.76 = 4,647.18/x
  3. Step 3: Cross multiply
    10,887.76x = 16,337.76 × 4,647.18
  4. Step 4: Simplify right side
    10,887.76x = 75,924,511.52
  5. Step 5: Solve for x
    x = 75,924,511.52/10,887.76
  6. Step 6: Final answer
    x = 6,973.38

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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.