Home / 9,233.60-12,740.89-5,254.78

Finding the Fourth Proportional to 9,233.60, 12,740.89 and 5,254.78

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Solution

The fourth proportional to 9,233.60, 12,740.89 and 5,254.78 is: 7,250.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,233.60 : 12,740.89 = 5,254.78 : x
  2. Step 2: Convert to fraction form
    9,233.60/12,740.89 = 5,254.78/x
  3. Step 3: Cross multiply
    9,233.60x = 12,740.89 × 5,254.78
  4. Step 4: Simplify right side
    9,233.60x = 66,950,547.93
  5. Step 5: Solve for x
    x = 66,950,547.93/9,233.60
  6. Step 6: Final answer
    x = 7,250.75

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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.