Home / 9,132.52-12,603.27-5,153.65

Finding the Fourth Proportional to 9,132.52, 12,603.27 and 5,153.65

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Solution

The fourth proportional to 9,132.52, 12,603.27 and 5,153.65 is: 7,112.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.52 : 12,603.27 = 5,153.65 : x
  2. Step 2: Convert to fraction form
    9,132.52/12,603.27 = 5,153.65/x
  3. Step 3: Cross multiply
    9,132.52x = 12,603.27 × 5,153.65
  4. Step 4: Simplify right side
    9,132.52x = 64,952,842.44
  5. Step 5: Solve for x
    x = 64,952,842.44/9,132.52
  6. Step 6: Final answer
    x = 7,112.26

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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.