Home / 11,281.65-15,568.48-6,245.76

Finding the Fourth Proportional to 11,281.65, 15,568.48 and 6,245.76

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Solution

The fourth proportional to 11,281.65, 15,568.48 and 6,245.76 is: 8,619.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.65 : 15,568.48 = 6,245.76 : x
  2. Step 2: Convert to fraction form
    11,281.65/15,568.48 = 6,245.76/x
  3. Step 3: Cross multiply
    11,281.65x = 15,568.48 × 6,245.76
  4. Step 4: Simplify right side
    11,281.65x = 97,236,989.64
  5. Step 5: Solve for x
    x = 97,236,989.64/11,281.65
  6. Step 6: Final answer
    x = 8,619.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.