Home / 10,653.47-15,980.18-3,257.93

Finding the Fourth Proportional to 10,653.47, 15,980.18 and 3,257.93

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Solution

The fourth proportional to 10,653.47, 15,980.18 and 3,257.93 is: 4,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653.47 : 15,980.18 = 3,257.93 : x
  2. Step 2: Convert to fraction form
    10,653.47/15,980.18 = 3,257.93/x
  3. Step 3: Cross multiply
    10,653.47x = 15,980.18 × 3,257.93
  4. Step 4: Simplify right side
    10,653.47x = 52,062,211.64
  5. Step 5: Solve for x
    x = 52,062,211.64/10,653.47
  6. Step 6: Final answer
    x = 4,886.88

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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.