Home / 10,307.91-15,459.92-4,383.70

Finding the Fourth Proportional to 10,307.91, 15,459.92 and 4,383.70

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Solution

The fourth proportional to 10,307.91, 15,459.92 and 4,383.70 is: 6,574.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.91 : 15,459.92 = 4,383.70 : x
  2. Step 2: Convert to fraction form
    10,307.91/15,459.92 = 4,383.70/x
  3. Step 3: Cross multiply
    10,307.91x = 15,459.92 × 4,383.70
  4. Step 4: Simplify right side
    10,307.91x = 67,771,651.30
  5. Step 5: Solve for x
    x = 67,771,651.30/10,307.91
  6. Step 6: Final answer
    x = 6,574.72

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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.