Home / 8,242.07-11,374.86-4,705.81

Finding the Fourth Proportional to 8,242.07, 11,374.86 and 4,705.81

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Solution

The fourth proportional to 8,242.07, 11,374.86 and 4,705.81 is: 6,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.07 : 11,374.86 = 4,705.81 : x
  2. Step 2: Convert to fraction form
    8,242.07/11,374.86 = 4,705.81/x
  3. Step 3: Cross multiply
    8,242.07x = 11,374.86 × 4,705.81
  4. Step 4: Simplify right side
    8,242.07x = 53,527,919.15
  5. Step 5: Solve for x
    x = 53,527,919.15/8,242.07
  6. Step 6: Final answer
    x = 6,494.48

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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.