Home / 9,613.28-13,266.40-5,633.60

Finding the Fourth Proportional to 9,613.28, 13,266.40 and 5,633.60

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Solution

The fourth proportional to 9,613.28, 13,266.40 and 5,633.60 is: 7,774.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.28 : 13,266.40 = 5,633.60 : x
  2. Step 2: Convert to fraction form
    9,613.28/13,266.40 = 5,633.60/x
  3. Step 3: Cross multiply
    9,613.28x = 13,266.40 × 5,633.60
  4. Step 4: Simplify right side
    9,613.28x = 74,737,591.04
  5. Step 5: Solve for x
    x = 74,737,591.04/9,613.28
  6. Step 6: Final answer
    x = 7,774.41

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.