Home / 10,934.80-15,089.16-6,218.08

Finding the Fourth Proportional to 10,934.80, 15,089.16 and 6,218.08

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Solution

The fourth proportional to 10,934.80, 15,089.16 and 6,218.08 is: 8,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.80 : 15,089.16 = 6,218.08 : x
  2. Step 2: Convert to fraction form
    10,934.80/15,089.16 = 6,218.08/x
  3. Step 3: Cross multiply
    10,934.80x = 15,089.16 × 6,218.08
  4. Step 4: Simplify right side
    10,934.80x = 93,825,604.01
  5. Step 5: Solve for x
    x = 93,825,604.01/10,934.80
  6. Step 6: Final answer
    x = 8,580.46

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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.