Home / 11,216.76-15,475.70-6,500.13

Finding the Fourth Proportional to 11,216.76, 15,475.70 and 6,500.13

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Solution

The fourth proportional to 11,216.76, 15,475.70 and 6,500.13 is: 8,968.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.76 : 15,475.70 = 6,500.13 : x
  2. Step 2: Convert to fraction form
    11,216.76/15,475.70 = 6,500.13/x
  3. Step 3: Cross multiply
    11,216.76x = 15,475.70 × 6,500.13
  4. Step 4: Simplify right side
    11,216.76x = 100,594,061.84
  5. Step 5: Solve for x
    x = 100,594,061.84/11,216.76
  6. Step 6: Final answer
    x = 8,968.19

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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.