Home / 10,881.95-15,017.67-6,165.32

Finding the Fourth Proportional to 10,881.95, 15,017.67 and 6,165.32

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Solution

The fourth proportional to 10,881.95, 15,017.67 and 6,165.32 is: 8,508.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881.95 : 15,017.67 = 6,165.32 : x
  2. Step 2: Convert to fraction form
    10,881.95/15,017.67 = 6,165.32/x
  3. Step 3: Cross multiply
    10,881.95x = 15,017.67 × 6,165.32
  4. Step 4: Simplify right side
    10,881.95x = 92,588,666.12
  5. Step 5: Solve for x
    x = 92,588,666.12/10,881.95
  6. Step 6: Final answer
    x = 8,508.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.