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Finding the Fourth Proportional to 10,953.66, 15,116.04 and 5,985.66

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Solution

The fourth proportional to 10,953.66, 15,116.04 and 5,985.66 is: 8,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.66 : 15,116.04 = 5,985.66 : x
  2. Step 2: Convert to fraction form
    10,953.66/15,116.04 = 5,985.66/x
  3. Step 3: Cross multiply
    10,953.66x = 15,116.04 × 5,985.66
  4. Step 4: Simplify right side
    10,953.66x = 90,479,475.99
  5. Step 5: Solve for x
    x = 90,479,475.99/10,953.66
  6. Step 6: Final answer
    x = 8,260.20

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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.