Home / 9,869.92-13,616.96-6,335.08

Finding the Fourth Proportional to 9,869.92, 13,616.96 and 6,335.08

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Solution

The fourth proportional to 9,869.92, 13,616.96 and 6,335.08 is: 8,740.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.92 : 13,616.96 = 6,335.08 : x
  2. Step 2: Convert to fraction form
    9,869.92/13,616.96 = 6,335.08/x
  3. Step 3: Cross multiply
    9,869.92x = 13,616.96 × 6,335.08
  4. Step 4: Simplify right side
    9,869.92x = 86,264,530.96
  5. Step 5: Solve for x
    x = 86,264,530.96/9,869.92
  6. Step 6: Final answer
    x = 8,740.14

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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.