Home / 12,209.08-16,848.86-7,490.56

Finding the Fourth Proportional to 12,209.08, 16,848.86 and 7,490.56

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Solution

The fourth proportional to 12,209.08, 16,848.86 and 7,490.56 is: 10,337.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209.08 : 16,848.86 = 7,490.56 : x
  2. Step 2: Convert to fraction form
    12,209.08/16,848.86 = 7,490.56/x
  3. Step 3: Cross multiply
    12,209.08x = 16,848.86 × 7,490.56
  4. Step 4: Simplify right side
    12,209.08x = 126,207,396.76
  5. Step 5: Solve for x
    x = 126,207,396.76/12,209.08
  6. Step 6: Final answer
    x = 10,337.18

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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.