Home / 12,744.02-17,586.36-7,155.02

Finding the Fourth Proportional to 12,744.02, 17,586.36 and 7,155.02

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Solution

The fourth proportional to 12,744.02, 17,586.36 and 7,155.02 is: 9,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.02 : 17,586.36 = 7,155.02 : x
  2. Step 2: Convert to fraction form
    12,744.02/17,586.36 = 7,155.02/x
  3. Step 3: Cross multiply
    12,744.02x = 17,586.36 × 7,155.02
  4. Step 4: Simplify right side
    12,744.02x = 125,830,757.53
  5. Step 5: Solve for x
    x = 125,830,757.53/12,744.02
  6. Step 6: Final answer
    x = 9,873.71

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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.