Home / 10,604.12-15,895.10-3,581.70

Finding the Fourth Proportional to 10,604.12, 15,895.10 and 3,581.70

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Solution

The fourth proportional to 10,604.12, 15,895.10 and 3,581.70 is: 5,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.12 : 15,895.10 = 3,581.70 : x
  2. Step 2: Convert to fraction form
    10,604.12/15,895.10 = 3,581.70/x
  3. Step 3: Cross multiply
    10,604.12x = 15,895.10 × 3,581.70
  4. Step 4: Simplify right side
    10,604.12x = 56,931,479.67
  5. Step 5: Solve for x
    x = 56,931,479.67/10,604.12
  6. Step 6: Final answer
    x = 5,368.81

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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.