Home / 9,856.14-13,601.36-6,077.78

Finding the Fourth Proportional to 9,856.14, 13,601.36 and 6,077.78

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Solution

The fourth proportional to 9,856.14, 13,601.36 and 6,077.78 is: 8,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,856.14 : 13,601.36 = 6,077.78 : x
  2. Step 2: Convert to fraction form
    9,856.14/13,601.36 = 6,077.78/x
  3. Step 3: Cross multiply
    9,856.14x = 13,601.36 × 6,077.78
  4. Step 4: Simplify right side
    9,856.14x = 82,666,073.78
  5. Step 5: Solve for x
    x = 82,666,073.78/9,856.14
  6. Step 6: Final answer
    x = 8,387.27

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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.