Home / 10,632.02-15,948.04-4,781.80

Finding the Fourth Proportional to 10,632.02, 15,948.04 and 4,781.80

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Solution

The fourth proportional to 10,632.02, 15,948.04 and 4,781.80 is: 7,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,632.02 : 15,948.04 = 4,781.80 : x
  2. Step 2: Convert to fraction form
    10,632.02/15,948.04 = 4,781.80/x
  3. Step 3: Cross multiply
    10,632.02x = 15,948.04 × 4,781.80
  4. Step 4: Simplify right side
    10,632.02x = 76,260,309.76
  5. Step 5: Solve for x
    x = 76,260,309.76/10,632.02
  6. Step 6: Final answer
    x = 7,172.70

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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.