Home / 7,868.68-10,859.76-4,512.04

Finding the Fourth Proportional to 7,868.68, 10,859.76 and 4,512.04

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Solution

The fourth proportional to 7,868.68, 10,859.76 and 4,512.04 is: 6,227.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.68 : 10,859.76 = 4,512.04 : x
  2. Step 2: Convert to fraction form
    7,868.68/10,859.76 = 4,512.04/x
  3. Step 3: Cross multiply
    7,868.68x = 10,859.76 × 4,512.04
  4. Step 4: Simplify right side
    7,868.68x = 48,999,671.51
  5. Step 5: Solve for x
    x = 48,999,671.51/7,868.68
  6. Step 6: Final answer
    x = 6,227.18

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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.