Home / 9,542.40-13,173.06-6,360.99

Finding the Fourth Proportional to 9,542.40, 13,173.06 and 6,360.99

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Solution

The fourth proportional to 9,542.40, 13,173.06 and 6,360.99 is: 8,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,542.40 : 13,173.06 = 6,360.99 : x
  2. Step 2: Convert to fraction form
    9,542.40/13,173.06 = 6,360.99/x
  3. Step 3: Cross multiply
    9,542.40x = 13,173.06 × 6,360.99
  4. Step 4: Simplify right side
    9,542.40x = 83,793,702.93
  5. Step 5: Solve for x
    x = 83,793,702.93/9,542.40
  6. Step 6: Final answer
    x = 8,781.20

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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.