Home / 10,987.02-16,494.75-9,437.04

Finding the Fourth Proportional to 10,987.02, 16,494.75 and 9,437.04

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Solution

The fourth proportional to 10,987.02, 16,494.75 and 9,437.04 is: 14,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.02 : 16,494.75 = 9,437.04 : x
  2. Step 2: Convert to fraction form
    10,987.02/16,494.75 = 9,437.04/x
  3. Step 3: Cross multiply
    10,987.02x = 16,494.75 × 9,437.04
  4. Step 4: Simplify right side
    10,987.02x = 155,661,615.54
  5. Step 5: Solve for x
    x = 155,661,615.54/10,987.02
  6. Step 6: Final answer
    x = 14,167.77

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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.