Home / 10,041.18-13,861.59-6,689.58

Finding the Fourth Proportional to 10,041.18, 13,861.59 and 6,689.58

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Solution

The fourth proportional to 10,041.18, 13,861.59 and 6,689.58 is: 9,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,041.18 : 13,861.59 = 6,689.58 : x
  2. Step 2: Convert to fraction form
    10,041.18/13,861.59 = 6,689.58/x
  3. Step 3: Cross multiply
    10,041.18x = 13,861.59 × 6,689.58
  4. Step 4: Simplify right side
    10,041.18x = 92,728,215.23
  5. Step 5: Solve for x
    x = 92,728,215.23/10,041.18
  6. Step 6: Final answer
    x = 9,234.79

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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.