Home / 9,402.11-12,974.23-5,152.49

Finding the Fourth Proportional to 9,402.11, 12,974.23 and 5,152.49

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Solution

The fourth proportional to 9,402.11, 12,974.23 and 5,152.49 is: 7,110.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,402.11 : 12,974.23 = 5,152.49 : x
  2. Step 2: Convert to fraction form
    9,402.11/12,974.23 = 5,152.49/x
  3. Step 3: Cross multiply
    9,402.11x = 12,974.23 × 5,152.49
  4. Step 4: Simplify right side
    9,402.11x = 66,849,590.33
  5. Step 5: Solve for x
    x = 66,849,590.33/9,402.11
  6. Step 6: Final answer
    x = 7,110.06

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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.