Home / 9,402.44-12,974.88-5,153.24

Finding the Fourth Proportional to 9,402.44, 12,974.88 and 5,153.24

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Solution

The fourth proportional to 9,402.44, 12,974.88 and 5,153.24 is: 7,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,402.44 : 12,974.88 = 5,153.24 : x
  2. Step 2: Convert to fraction form
    9,402.44/12,974.88 = 5,153.24/x
  3. Step 3: Cross multiply
    9,402.44x = 12,974.88 × 5,153.24
  4. Step 4: Simplify right side
    9,402.44x = 66,862,670.61
  5. Step 5: Solve for x
    x = 66,862,670.61/9,402.44
  6. Step 6: Final answer
    x = 7,111.20

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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.