Home / 8,501.12-11,731.32-4,724.19

Finding the Fourth Proportional to 8,501.12, 11,731.32 and 4,724.19

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Solution

The fourth proportional to 8,501.12, 11,731.32 and 4,724.19 is: 6,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.12 : 11,731.32 = 4,724.19 : x
  2. Step 2: Convert to fraction form
    8,501.12/11,731.32 = 4,724.19/x
  3. Step 3: Cross multiply
    8,501.12x = 11,731.32 × 4,724.19
  4. Step 4: Simplify right side
    8,501.12x = 55,420,961.01
  5. Step 5: Solve for x
    x = 55,420,961.01/8,501.12
  6. Step 6: Final answer
    x = 6,519.25

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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.