Home / 9,867.40-13,616.42-5,888.48

Finding the Fourth Proportional to 9,867.40, 13,616.42 and 5,888.48

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Solution

The fourth proportional to 9,867.40, 13,616.42 and 5,888.48 is: 8,125.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.40 : 13,616.42 = 5,888.48 : x
  2. Step 2: Convert to fraction form
    9,867.40/13,616.42 = 5,888.48/x
  3. Step 3: Cross multiply
    9,867.40x = 13,616.42 × 5,888.48
  4. Step 4: Simplify right side
    9,867.40x = 80,180,016.84
  5. Step 5: Solve for x
    x = 80,180,016.84/9,867.40
  6. Step 6: Final answer
    x = 8,125.75

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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.