Home / 10,979.82-15,152.01-6,264.18

Finding the Fourth Proportional to 10,979.82, 15,152.01 and 6,264.18

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Solution

The fourth proportional to 10,979.82, 15,152.01 and 6,264.18 is: 8,644.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.82 : 15,152.01 = 6,264.18 : x
  2. Step 2: Convert to fraction form
    10,979.82/15,152.01 = 6,264.18/x
  3. Step 3: Cross multiply
    10,979.82x = 15,152.01 × 6,264.18
  4. Step 4: Simplify right side
    10,979.82x = 94,914,918.00
  5. Step 5: Solve for x
    x = 94,914,918.00/10,979.82
  6. Step 6: Final answer
    x = 8,644.49

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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.