Home / 10,555.74-15,836.28-3,160.17

Finding the Fourth Proportional to 10,555.74, 15,836.28 and 3,160.17

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Solution

The fourth proportional to 10,555.74, 15,836.28 and 3,160.17 is: 4,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.74 : 15,836.28 = 3,160.17 : x
  2. Step 2: Convert to fraction form
    10,555.74/15,836.28 = 3,160.17/x
  3. Step 3: Cross multiply
    10,555.74x = 15,836.28 × 3,160.17
  4. Step 4: Simplify right side
    10,555.74x = 50,045,336.97
  5. Step 5: Solve for x
    x = 50,045,336.97/10,555.74
  6. Step 6: Final answer
    x = 4,741.05

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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.