Home / 9,933.20-14,899.80-9,277.10

Finding the Fourth Proportional to 9,933.20, 14,899.80 and 9,277.10

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Solution

The fourth proportional to 9,933.20, 14,899.80 and 9,277.10 is: 13,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,933.20 : 14,899.80 = 9,277.10 : x
  2. Step 2: Convert to fraction form
    9,933.20/14,899.80 = 9,277.10/x
  3. Step 3: Cross multiply
    9,933.20x = 14,899.80 × 9,277.10
  4. Step 4: Simplify right side
    9,933.20x = 138,226,934.58
  5. Step 5: Solve for x
    x = 138,226,934.58/9,933.20
  6. Step 6: Final answer
    x = 13,915.65

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Double scale
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Similar ratio
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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.