Home / 10,987.26-16,487.13-10,898.04

Finding the Fourth Proportional to 10,987.26, 16,487.13 and 10,898.04

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Solution

The fourth proportional to 10,987.26, 16,487.13 and 10,898.04 is: 16,353.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.26 : 16,487.13 = 10,898.04 : x
  2. Step 2: Convert to fraction form
    10,987.26/16,487.13 = 10,898.04/x
  3. Step 3: Cross multiply
    10,987.26x = 16,487.13 × 10,898.04
  4. Step 4: Simplify right side
    10,987.26x = 179,677,402.23
  5. Step 5: Solve for x
    x = 179,677,402.23/10,987.26
  6. Step 6: Final answer
    x = 16,353.25

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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.