Home / 10,988.32-16,473.92-5,720.98

Finding the Fourth Proportional to 10,988.32, 16,473.92 and 5,720.98

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Solution

The fourth proportional to 10,988.32, 16,473.92 and 5,720.98 is: 8,577.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.32 : 16,473.92 = 5,720.98 : x
  2. Step 2: Convert to fraction form
    10,988.32/16,473.92 = 5,720.98/x
  3. Step 3: Cross multiply
    10,988.32x = 16,473.92 × 5,720.98
  4. Step 4: Simplify right side
    10,988.32x = 94,246,966.84
  5. Step 5: Solve for x
    x = 94,246,966.84/10,988.32
  6. Step 6: Final answer
    x = 8,577.01

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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.