Home / 11,386.01-15,712.78-6,350.56

Finding the Fourth Proportional to 11,386.01, 15,712.78 and 6,350.56

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Solution

The fourth proportional to 11,386.01, 15,712.78 and 6,350.56 is: 8,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.01 : 15,712.78 = 6,350.56 : x
  2. Step 2: Convert to fraction form
    11,386.01/15,712.78 = 6,350.56/x
  3. Step 3: Cross multiply
    11,386.01x = 15,712.78 × 6,350.56
  4. Step 4: Simplify right side
    11,386.01x = 99,784,952.16
  5. Step 5: Solve for x
    x = 99,784,952.16/11,386.01
  6. Step 6: Final answer
    x = 8,763.82

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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.