Home / 10,537.79-15,818.90-6,158.39

Finding the Fourth Proportional to 10,537.79, 15,818.90 and 6,158.39

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Solution

The fourth proportional to 10,537.79, 15,818.90 and 6,158.39 is: 9,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,537.79 : 15,818.90 = 6,158.39 : x
  2. Step 2: Convert to fraction form
    10,537.79/15,818.90 = 6,158.39/x
  3. Step 3: Cross multiply
    10,537.79x = 15,818.90 × 6,158.39
  4. Step 4: Simplify right side
    10,537.79x = 97,418,845.68
  5. Step 5: Solve for x
    x = 97,418,845.68/10,537.79
  6. Step 6: Final answer
    x = 9,244.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.