Home / 7,424.17-11,132.78-4,305.06

Finding the Fourth Proportional to 7,424.17, 11,132.78 and 4,305.06

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Solution

The fourth proportional to 7,424.17, 11,132.78 and 4,305.06 is: 6,455.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.17 : 11,132.78 = 4,305.06 : x
  2. Step 2: Convert to fraction form
    7,424.17/11,132.78 = 4,305.06/x
  3. Step 3: Cross multiply
    7,424.17x = 11,132.78 × 4,305.06
  4. Step 4: Simplify right side
    7,424.17x = 47,927,306.09
  5. Step 5: Solve for x
    x = 47,927,306.09/7,424.17
  6. Step 6: Final answer
    x = 6,455.58

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1.5x scale

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.