Home / 10,842.70-16,263.96-5,579.18

Finding the Fourth Proportional to 10,842.70, 16,263.96 and 5,579.18

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Solution

The fourth proportional to 10,842.70, 16,263.96 and 5,579.18 is: 8,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,842.70 : 16,263.96 = 5,579.18 : x
  2. Step 2: Convert to fraction form
    10,842.70/16,263.96 = 5,579.18/x
  3. Step 3: Cross multiply
    10,842.70x = 16,263.96 × 5,579.18
  4. Step 4: Simplify right side
    10,842.70x = 90,739,560.35
  5. Step 5: Solve for x
    x = 90,739,560.35/10,842.70
  6. Step 6: Final answer
    x = 8,368.72

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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.