Home / 10,921.84-16,358.42-9,498.06

Finding the Fourth Proportional to 10,921.84, 16,358.42 and 9,498.06

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Solution

The fourth proportional to 10,921.84, 16,358.42 and 9,498.06 is: 14,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921.84 : 16,358.42 = 9,498.06 : x
  2. Step 2: Convert to fraction form
    10,921.84/16,358.42 = 9,498.06/x
  3. Step 3: Cross multiply
    10,921.84x = 16,358.42 × 9,498.06
  4. Step 4: Simplify right side
    10,921.84x = 155,373,278.41
  5. Step 5: Solve for x
    x = 155,373,278.41/10,921.84
  6. Step 6: Final answer
    x = 14,225.93

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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.