Home / 9,242.73-12,755.23-5,154.63

Finding the Fourth Proportional to 9,242.73, 12,755.23 and 5,154.63

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Solution

The fourth proportional to 9,242.73, 12,755.23 and 5,154.63 is: 7,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,242.73 : 12,755.23 = 5,154.63 : x
  2. Step 2: Convert to fraction form
    9,242.73/12,755.23 = 5,154.63/x
  3. Step 3: Cross multiply
    9,242.73x = 12,755.23 × 5,154.63
  4. Step 4: Simplify right side
    9,242.73x = 65,748,491.21
  5. Step 5: Solve for x
    x = 65,748,491.21/9,242.73
  6. Step 6: Final answer
    x = 7,113.54

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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.