Home / 8,015.46-11,061.28-4,430.66

Finding the Fourth Proportional to 8,015.46, 11,061.28 and 4,430.66

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Solution

The fourth proportional to 8,015.46, 11,061.28 and 4,430.66 is: 6,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.46 : 11,061.28 = 4,430.66 : x
  2. Step 2: Convert to fraction form
    8,015.46/11,061.28 = 4,430.66/x
  3. Step 3: Cross multiply
    8,015.46x = 11,061.28 × 4,430.66
  4. Step 4: Simplify right side
    8,015.46x = 49,008,787.42
  5. Step 5: Solve for x
    x = 49,008,787.42/8,015.46
  6. Step 6: Final answer
    x = 6,114.28

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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.