Home / 10,653.77-15,981.41-3,257.66

Finding the Fourth Proportional to 10,653.77, 15,981.41 and 3,257.66

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Solution

The fourth proportional to 10,653.77, 15,981.41 and 3,257.66 is: 4,886.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653.77 : 15,981.41 = 3,257.66 : x
  2. Step 2: Convert to fraction form
    10,653.77/15,981.41 = 3,257.66/x
  3. Step 3: Cross multiply
    10,653.77x = 15,981.41 × 3,257.66
  4. Step 4: Simplify right side
    10,653.77x = 52,062,048.20
  5. Step 5: Solve for x
    x = 52,062,048.20/10,653.77
  6. Step 6: Final answer
    x = 4,886.72

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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.