Home / 8,747.53-12,048.56-7,250.65

Finding the Fourth Proportional to 8,747.53, 12,048.56 and 7,250.65

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Solution

The fourth proportional to 8,747.53, 12,048.56 and 7,250.65 is: 9,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.53 : 12,048.56 = 7,250.65 : x
  2. Step 2: Convert to fraction form
    8,747.53/12,048.56 = 7,250.65/x
  3. Step 3: Cross multiply
    8,747.53x = 12,048.56 × 7,250.65
  4. Step 4: Simplify right side
    8,747.53x = 87,359,855.31
  5. Step 5: Solve for x
    x = 87,359,855.31/8,747.53
  6. Step 6: Final answer
    x = 9,986.80

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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.