Home / 10,873.14-15,004.67-6,397.18

Finding the Fourth Proportional to 10,873.14, 15,004.67 and 6,397.18

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Solution

The fourth proportional to 10,873.14, 15,004.67 and 6,397.18 is: 8,827.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.14 : 15,004.67 = 6,397.18 : x
  2. Step 2: Convert to fraction form
    10,873.14/15,004.67 = 6,397.18/x
  3. Step 3: Cross multiply
    10,873.14x = 15,004.67 × 6,397.18
  4. Step 4: Simplify right side
    10,873.14x = 95,987,499.81
  5. Step 5: Solve for x
    x = 95,987,499.81/10,873.14
  6. Step 6: Final answer
    x = 8,827.95

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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.