Home / 10,039.74-13,861.29-6,456.23

Finding the Fourth Proportional to 10,039.74, 13,861.29 and 6,456.23

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Solution

The fourth proportional to 10,039.74, 13,861.29 and 6,456.23 is: 8,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.74 : 13,861.29 = 6,456.23 : x
  2. Step 2: Convert to fraction form
    10,039.74/13,861.29 = 6,456.23/x
  3. Step 3: Cross multiply
    10,039.74x = 13,861.29 × 6,456.23
  4. Step 4: Simplify right side
    10,039.74x = 89,491,676.34
  5. Step 5: Solve for x
    x = 89,491,676.34/10,039.74
  6. Step 6: Final answer
    x = 8,913.74

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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.