Home / 10,718.52-16,066.44-5,168.40

Finding the Fourth Proportional to 10,718.52, 16,066.44 and 5,168.40

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Solution

The fourth proportional to 10,718.52, 16,066.44 and 5,168.40 is: 7,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.52 : 16,066.44 = 5,168.40 : x
  2. Step 2: Convert to fraction form
    10,718.52/16,066.44 = 5,168.40/x
  3. Step 3: Cross multiply
    10,718.52x = 16,066.44 × 5,168.40
  4. Step 4: Simplify right side
    10,718.52x = 83,037,788.50
  5. Step 5: Solve for x
    x = 83,037,788.50/10,718.52
  6. Step 6: Final answer
    x = 7,747.13

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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.