Home / 10,560.66-15,840.06-3,166.80

Finding the Fourth Proportional to 10,560.66, 15,840.06 and 3,166.80

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Solution

The fourth proportional to 10,560.66, 15,840.06 and 3,166.80 is: 4,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.66 : 15,840.06 = 3,166.80 : x
  2. Step 2: Convert to fraction form
    10,560.66/15,840.06 = 3,166.80/x
  3. Step 3: Cross multiply
    10,560.66x = 15,840.06 × 3,166.80
  4. Step 4: Simplify right side
    10,560.66x = 50,162,302.01
  5. Step 5: Solve for x
    x = 50,162,302.01/10,560.66
  6. Step 6: Final answer
    x = 4,749.92

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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.