Home / 9,372.08-12,933.11-5,394.47

Finding the Fourth Proportional to 9,372.08, 12,933.11 and 5,394.47

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Solution

The fourth proportional to 9,372.08, 12,933.11 and 5,394.47 is: 7,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.08 : 12,933.11 = 5,394.47 : x
  2. Step 2: Convert to fraction form
    9,372.08/12,933.11 = 5,394.47/x
  3. Step 3: Cross multiply
    9,372.08x = 12,933.11 × 5,394.47
  4. Step 4: Simplify right side
    9,372.08x = 69,767,273.90
  5. Step 5: Solve for x
    x = 69,767,273.90/9,372.08
  6. Step 6: Final answer
    x = 7,444.16

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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.