Home / 10,134.95-13,979.19-6,948.53

Finding the Fourth Proportional to 10,134.95, 13,979.19 and 6,948.53

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Solution

The fourth proportional to 10,134.95, 13,979.19 and 6,948.53 is: 9,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.95 : 13,979.19 = 6,948.53 : x
  2. Step 2: Convert to fraction form
    10,134.95/13,979.19 = 6,948.53/x
  3. Step 3: Cross multiply
    10,134.95x = 13,979.19 × 6,948.53
  4. Step 4: Simplify right side
    10,134.95x = 97,134,790.59
  5. Step 5: Solve for x
    x = 97,134,790.59/10,134.95
  6. Step 6: Final answer
    x = 9,584.15

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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.