Home / 9,577.38-13,225.50-7,215.42

Finding the Fourth Proportional to 9,577.38, 13,225.50 and 7,215.42

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Solution

The fourth proportional to 9,577.38, 13,225.50 and 7,215.42 is: 9,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,577.38 : 13,225.50 = 7,215.42 : x
  2. Step 2: Convert to fraction form
    9,577.38/13,225.50 = 7,215.42/x
  3. Step 3: Cross multiply
    9,577.38x = 13,225.50 × 7,215.42
  4. Step 4: Simplify right side
    9,577.38x = 95,427,537.21
  5. Step 5: Solve for x
    x = 95,427,537.21/9,577.38
  6. Step 6: Final answer
    x = 9,963.85

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Half scale
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Double scale
Find fourth proportional to 9,578.38, 13,226.88 and 7,216.42
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.