Home / 11,972.04-16,516.80-7,254.60

Finding the Fourth Proportional to 11,972.04, 16,516.80 and 7,254.60

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Solution

The fourth proportional to 11,972.04, 16,516.80 and 7,254.60 is: 10,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.04 : 16,516.80 = 7,254.60 : x
  2. Step 2: Convert to fraction form
    11,972.04/16,516.80 = 7,254.60/x
  3. Step 3: Cross multiply
    11,972.04x = 16,516.80 × 7,254.60
  4. Step 4: Simplify right side
    11,972.04x = 119,822,777.28
  5. Step 5: Solve for x
    x = 119,822,777.28/11,972.04
  6. Step 6: Final answer
    x = 10,008.55

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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.