Home / 10,247.10-15,370.65-4,981.02

Finding the Fourth Proportional to 10,247.10, 15,370.65 and 4,981.02

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Solution

The fourth proportional to 10,247.10, 15,370.65 and 4,981.02 is: 7,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.10 : 15,370.65 = 4,981.02 : x
  2. Step 2: Convert to fraction form
    10,247.10/15,370.65 = 4,981.02/x
  3. Step 3: Cross multiply
    10,247.10x = 15,370.65 × 4,981.02
  4. Step 4: Simplify right side
    10,247.10x = 76,561,515.06
  5. Step 5: Solve for x
    x = 76,561,515.06/10,247.10
  6. Step 6: Final answer
    x = 7,471.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.