Home / 10,988.36-16,472.78-4,061.24

Finding the Fourth Proportional to 10,988.36, 16,472.78 and 4,061.24

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Solution

The fourth proportional to 10,988.36, 16,472.78 and 4,061.24 is: 6,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.36 : 16,472.78 = 4,061.24 : x
  2. Step 2: Convert to fraction form
    10,988.36/16,472.78 = 4,061.24/x
  3. Step 3: Cross multiply
    10,988.36x = 16,472.78 × 4,061.24
  4. Step 4: Simplify right side
    10,988.36x = 66,899,913.05
  5. Step 5: Solve for x
    x = 66,899,913.05/10,988.36
  6. Step 6: Final answer
    x = 6,088.25

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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.