Home / 8,055.12-11,115.77-4,518.53

Finding the Fourth Proportional to 8,055.12, 11,115.77 and 4,518.53

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Solution

The fourth proportional to 8,055.12, 11,115.77 and 4,518.53 is: 6,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.12 : 11,115.77 = 4,518.53 : x
  2. Step 2: Convert to fraction form
    8,055.12/11,115.77 = 4,518.53/x
  3. Step 3: Cross multiply
    8,055.12x = 11,115.77 × 4,518.53
  4. Step 4: Simplify right side
    8,055.12x = 50,226,862.05
  5. Step 5: Solve for x
    x = 50,226,862.05/8,055.12
  6. Step 6: Final answer
    x = 6,235.40

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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.