Home / 12,211.04-16,852.10-7,432.88

Finding the Fourth Proportional to 12,211.04, 16,852.10 and 7,432.88

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Solution

The fourth proportional to 12,211.04, 16,852.10 and 7,432.88 is: 10,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211.04 : 16,852.10 = 7,432.88 : x
  2. Step 2: Convert to fraction form
    12,211.04/16,852.10 = 7,432.88/x
  3. Step 3: Cross multiply
    12,211.04x = 16,852.10 × 7,432.88
  4. Step 4: Simplify right side
    12,211.04x = 125,259,637.05
  5. Step 5: Solve for x
    x = 125,259,637.05/12,211.04
  6. Step 6: Final answer
    x = 10,257.90

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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.