Home / 12,061.28-18,070.04-11,798.84

Finding the Fourth Proportional to 12,061.28, 18,070.04 and 11,798.84

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Solution

The fourth proportional to 12,061.28, 18,070.04 and 11,798.84 is: 17,676.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061.28 : 18,070.04 = 11,798.84 : x
  2. Step 2: Convert to fraction form
    12,061.28/18,070.04 = 11,798.84/x
  3. Step 3: Cross multiply
    12,061.28x = 18,070.04 × 11,798.84
  4. Step 4: Simplify right side
    12,061.28x = 213,205,510.75
  5. Step 5: Solve for x
    x = 213,205,510.75/12,061.28
  6. Step 6: Final answer
    x = 17,676.86

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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.