Home / 10,798.16-16,221.76-9,321.92

Finding the Fourth Proportional to 10,798.16, 16,221.76 and 9,321.92

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Solution

The fourth proportional to 10,798.16, 16,221.76 and 9,321.92 is: 14,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,798.16 : 16,221.76 = 9,321.92 : x
  2. Step 2: Convert to fraction form
    10,798.16/16,221.76 = 9,321.92/x
  3. Step 3: Cross multiply
    10,798.16x = 16,221.76 × 9,321.92
  4. Step 4: Simplify right side
    10,798.16x = 151,217,948.98
  5. Step 5: Solve for x
    x = 151,217,948.98/10,798.16
  6. Step 6: Final answer
    x = 14,004.05

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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.