Home / 9,534.40-13,158.12-5,285.66

Finding the Fourth Proportional to 9,534.40, 13,158.12 and 5,285.66

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Solution

The fourth proportional to 9,534.40, 13,158.12 and 5,285.66 is: 7,294.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,534.40 : 13,158.12 = 5,285.66 : x
  2. Step 2: Convert to fraction form
    9,534.40/13,158.12 = 5,285.66/x
  3. Step 3: Cross multiply
    9,534.40x = 13,158.12 × 5,285.66
  4. Step 4: Simplify right side
    9,534.40x = 69,549,348.56
  5. Step 5: Solve for x
    x = 69,549,348.56/9,534.40
  6. Step 6: Final answer
    x = 7,294.57

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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.