Home / 10,881.40-15,017.26-6,166.52

Finding the Fourth Proportional to 10,881.40, 15,017.26 and 6,166.52

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Solution

The fourth proportional to 10,881.40, 15,017.26 and 6,166.52 is: 8,510.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881.40 : 15,017.26 = 6,166.52 : x
  2. Step 2: Convert to fraction form
    10,881.40/15,017.26 = 6,166.52/x
  3. Step 3: Cross multiply
    10,881.40x = 15,017.26 × 6,166.52
  4. Step 4: Simplify right side
    10,881.40x = 92,604,234.14
  5. Step 5: Solve for x
    x = 92,604,234.14/10,881.40
  6. Step 6: Final answer
    x = 8,510.32

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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.