Home / 25,862.90-38,789.70-6,887.63

Finding the Fourth Proportional to 25,862.90, 38,789.70 and 6,887.63

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Solution

The fourth proportional to 25,862.90, 38,789.70 and 6,887.63 is: 10,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,862.90 : 38,789.70 = 6,887.63 : x
  2. Step 2: Convert to fraction form
    25,862.90/38,789.70 = 6,887.63/x
  3. Step 3: Cross multiply
    25,862.90x = 38,789.70 × 6,887.63
  4. Step 4: Simplify right side
    25,862.90x = 267,168,907.46
  5. Step 5: Solve for x
    x = 267,168,907.46/25,862.90
  6. Step 6: Final answer
    x = 10,330.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.