Home / 8,015.54-11,061.41-4,430.75

Finding the Fourth Proportional to 8,015.54, 11,061.41 and 4,430.75

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Solution

The fourth proportional to 8,015.54, 11,061.41 and 4,430.75 is: 6,114.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.54 : 11,061.41 = 4,430.75 : x
  2. Step 2: Convert to fraction form
    8,015.54/11,061.41 = 4,430.75/x
  3. Step 3: Cross multiply
    8,015.54x = 11,061.41 × 4,430.75
  4. Step 4: Simplify right side
    8,015.54x = 49,010,264.90
  5. Step 5: Solve for x
    x = 49,010,264.90/8,015.54
  6. Step 6: Final answer
    x = 6,114.41

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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.