Home / 9,637.60-14,456.40-8,924.80

Finding the Fourth Proportional to 9,637.60, 14,456.40 and 8,924.80

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Solution

The fourth proportional to 9,637.60, 14,456.40 and 8,924.80 is: 13,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,637.60 : 14,456.40 = 8,924.80 : x
  2. Step 2: Convert to fraction form
    9,637.60/14,456.40 = 8,924.80/x
  3. Step 3: Cross multiply
    9,637.60x = 14,456.40 × 8,924.80
  4. Step 4: Simplify right side
    9,637.60x = 129,020,478.72
  5. Step 5: Solve for x
    x = 129,020,478.72/9,637.60
  6. Step 6: Final answer
    x = 13,387.20

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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.