Home / 10,099.75-13,937.66-5,908.81

Finding the Fourth Proportional to 10,099.75, 13,937.66 and 5,908.81

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Solution

The fourth proportional to 10,099.75, 13,937.66 and 5,908.81 is: 8,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.75 : 13,937.66 = 5,908.81 : x
  2. Step 2: Convert to fraction form
    10,099.75/13,937.66 = 5,908.81/x
  3. Step 3: Cross multiply
    10,099.75x = 13,937.66 × 5,908.81
  4. Step 4: Simplify right side
    10,099.75x = 82,354,984.78
  5. Step 5: Solve for x
    x = 82,354,984.78/10,099.75
  6. Step 6: Final answer
    x = 8,154.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.