Home / 10,326.90-15,490.59-2,535.78

Finding the Fourth Proportional to 10,326.90, 15,490.59 and 2,535.78

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Solution

The fourth proportional to 10,326.90, 15,490.59 and 2,535.78 is: 3,803.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.90 : 15,490.59 = 2,535.78 : x
  2. Step 2: Convert to fraction form
    10,326.90/15,490.59 = 2,535.78/x
  3. Step 3: Cross multiply
    10,326.90x = 15,490.59 × 2,535.78
  4. Step 4: Simplify right side
    10,326.90x = 39,280,728.31
  5. Step 5: Solve for x
    x = 39,280,728.31/10,326.90
  6. Step 6: Final answer
    x = 3,803.73

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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.