Home / 9,517.30-13,134.29-5,325.62

Finding the Fourth Proportional to 9,517.30, 13,134.29 and 5,325.62

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Solution

The fourth proportional to 9,517.30, 13,134.29 and 5,325.62 is: 7,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.30 : 13,134.29 = 5,325.62 : x
  2. Step 2: Convert to fraction form
    9,517.30/13,134.29 = 5,325.62/x
  3. Step 3: Cross multiply
    9,517.30x = 13,134.29 × 5,325.62
  4. Step 4: Simplify right side
    9,517.30x = 69,948,237.51
  5. Step 5: Solve for x
    x = 69,948,237.51/9,517.30
  6. Step 6: Final answer
    x = 7,349.59

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Double scale
Find fourth proportional to 9,518.30, 13,135.67 and 5,326.62
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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.