Home / 10,433.13-15,655.84-3,863.93

Finding the Fourth Proportional to 10,433.13, 15,655.84 and 3,863.93

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Solution

The fourth proportional to 10,433.13, 15,655.84 and 3,863.93 is: 5,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.13 : 15,655.84 = 3,863.93 : x
  2. Step 2: Convert to fraction form
    10,433.13/15,655.84 = 3,863.93/x
  3. Step 3: Cross multiply
    10,433.13x = 15,655.84 × 3,863.93
  4. Step 4: Simplify right side
    10,433.13x = 60,492,981.91
  5. Step 5: Solve for x
    x = 60,492,981.91/10,433.13
  6. Step 6: Final answer
    x = 5,798.16

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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.