Home / 9,372.57-12,933.75-5,123.53

Finding the Fourth Proportional to 9,372.57, 12,933.75 and 5,123.53

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Solution

The fourth proportional to 9,372.57, 12,933.75 and 5,123.53 is: 7,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.57 : 12,933.75 = 5,123.53 : x
  2. Step 2: Convert to fraction form
    9,372.57/12,933.75 = 5,123.53/x
  3. Step 3: Cross multiply
    9,372.57x = 12,933.75 × 5,123.53
  4. Step 4: Simplify right side
    9,372.57x = 66,266,456.14
  5. Step 5: Solve for x
    x = 66,266,456.14/9,372.57
  6. Step 6: Final answer
    x = 7,070.25

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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.