Home / 9,243.11-12,756.82-5,264.60

Finding the Fourth Proportional to 9,243.11, 12,756.82 and 5,264.60

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Solution

The fourth proportional to 9,243.11, 12,756.82 and 5,264.60 is: 7,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.11 : 12,756.82 = 5,264.60 : x
  2. Step 2: Convert to fraction form
    9,243.11/12,756.82 = 5,264.60/x
  3. Step 3: Cross multiply
    9,243.11x = 12,756.82 × 5,264.60
  4. Step 4: Simplify right side
    9,243.11x = 67,159,472.69
  5. Step 5: Solve for x
    x = 67,159,472.69/9,243.11
  6. Step 6: Final answer
    x = 7,265.89

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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.