Home / 7,889.15-10,886.98-4,304.04

Finding the Fourth Proportional to 7,889.15, 10,886.98 and 4,304.04

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Solution

The fourth proportional to 7,889.15, 10,886.98 and 4,304.04 is: 5,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.15 : 10,886.98 = 4,304.04 : x
  2. Step 2: Convert to fraction form
    7,889.15/10,886.98 = 4,304.04/x
  3. Step 3: Cross multiply
    7,889.15x = 10,886.98 × 4,304.04
  4. Step 4: Simplify right side
    7,889.15x = 46,857,965.99
  5. Step 5: Solve for x
    x = 46,857,965.99/7,889.15
  6. Step 6: Final answer
    x = 5,939.55

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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.