Home / 10,307.41-15,459.17-4,383.20

Finding the Fourth Proportional to 10,307.41, 15,459.17 and 4,383.20

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Solution

The fourth proportional to 10,307.41, 15,459.17 and 4,383.20 is: 6,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.41 : 15,459.17 = 4,383.20 : x
  2. Step 2: Convert to fraction form
    10,307.41/15,459.17 = 4,383.20/x
  3. Step 3: Cross multiply
    10,307.41x = 15,459.17 × 4,383.20
  4. Step 4: Simplify right side
    10,307.41x = 67,760,633.94
  5. Step 5: Solve for x
    x = 67,760,633.94/10,307.41
  6. Step 6: Final answer
    x = 6,573.97

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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.