Home / 8,014.78-11,061.77-4,477.31

Finding the Fourth Proportional to 8,014.78, 11,061.77 and 4,477.31

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Solution

The fourth proportional to 8,014.78, 11,061.77 and 4,477.31 is: 6,179.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.78 : 11,061.77 = 4,477.31 : x
  2. Step 2: Convert to fraction form
    8,014.78/11,061.77 = 4,477.31/x
  3. Step 3: Cross multiply
    8,014.78x = 11,061.77 × 4,477.31
  4. Step 4: Simplify right side
    8,014.78x = 49,526,937.22
  5. Step 5: Solve for x
    x = 49,526,937.22/8,014.78
  6. Step 6: Final answer
    x = 6,179.45

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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.