Home / 10,017.06-13,823.13-5,479.66

Finding the Fourth Proportional to 10,017.06, 13,823.13 and 5,479.66

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Solution

The fourth proportional to 10,017.06, 13,823.13 and 5,479.66 is: 7,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017.06 : 13,823.13 = 5,479.66 : x
  2. Step 2: Convert to fraction form
    10,017.06/13,823.13 = 5,479.66/x
  3. Step 3: Cross multiply
    10,017.06x = 13,823.13 × 5,479.66
  4. Step 4: Simplify right side
    10,017.06x = 75,746,052.54
  5. Step 5: Solve for x
    x = 75,746,052.54/10,017.06
  6. Step 6: Final answer
    x = 7,561.70

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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.