Home / 9,025.15-12,454.19-4,991.74

Finding the Fourth Proportional to 9,025.15, 12,454.19 and 4,991.74

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Solution

The fourth proportional to 9,025.15, 12,454.19 and 4,991.74 is: 6,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,025.15 : 12,454.19 = 4,991.74 : x
  2. Step 2: Convert to fraction form
    9,025.15/12,454.19 = 4,991.74/x
  3. Step 3: Cross multiply
    9,025.15x = 12,454.19 × 4,991.74
  4. Step 4: Simplify right side
    9,025.15x = 62,168,016.12
  5. Step 5: Solve for x
    x = 62,168,016.12/9,025.15
  6. Step 6: Final answer
    x = 6,888.31

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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.