Home / 8,501.10-11,731.32-4,724.28

Finding the Fourth Proportional to 8,501.10, 11,731.32 and 4,724.28

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Solution

The fourth proportional to 8,501.10, 11,731.32 and 4,724.28 is: 6,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.10 : 11,731.32 = 4,724.28 : x
  2. Step 2: Convert to fraction form
    8,501.10/11,731.32 = 4,724.28/x
  3. Step 3: Cross multiply
    8,501.10x = 11,731.32 × 4,724.28
  4. Step 4: Simplify right side
    8,501.10x = 55,422,040.45
  5. Step 5: Solve for x
    x = 55,422,040.45/8,501.10
  6. Step 6: Final answer
    x = 6,519.40

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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.