Home / 10,952.04-16,420.56-3,931.90

Finding the Fourth Proportional to 10,952.04, 16,420.56 and 3,931.90

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Solution

The fourth proportional to 10,952.04, 16,420.56 and 3,931.90 is: 5,895.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.04 : 16,420.56 = 3,931.90 : x
  2. Step 2: Convert to fraction form
    10,952.04/16,420.56 = 3,931.90/x
  3. Step 3: Cross multiply
    10,952.04x = 16,420.56 × 3,931.90
  4. Step 4: Simplify right side
    10,952.04x = 64,563,999.86
  5. Step 5: Solve for x
    x = 64,563,999.86/10,952.04
  6. Step 6: Final answer
    x = 5,895.16

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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.