Home / 11,460.18-15,816.36-6,425.76

Finding the Fourth Proportional to 11,460.18, 15,816.36 and 6,425.76

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Solution

The fourth proportional to 11,460.18, 15,816.36 and 6,425.76 is: 8,868.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,460.18 : 15,816.36 = 6,425.76 : x
  2. Step 2: Convert to fraction form
    11,460.18/15,816.36 = 6,425.76/x
  3. Step 3: Cross multiply
    11,460.18x = 15,816.36 × 6,425.76
  4. Step 4: Simplify right side
    11,460.18x = 101,632,133.43
  5. Step 5: Solve for x
    x = 101,632,133.43/11,460.18
  6. Step 6: Final answer
    x = 8,868.28

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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.