Home / 8,374.12-11,551.93-4,969.15

Finding the Fourth Proportional to 8,374.12, 11,551.93 and 4,969.15

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Solution

The fourth proportional to 8,374.12, 11,551.93 and 4,969.15 is: 6,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.12 : 11,551.93 = 4,969.15 : x
  2. Step 2: Convert to fraction form
    8,374.12/11,551.93 = 4,969.15/x
  3. Step 3: Cross multiply
    8,374.12x = 11,551.93 × 4,969.15
  4. Step 4: Simplify right side
    8,374.12x = 57,403,272.96
  5. Step 5: Solve for x
    x = 57,403,272.96/8,374.12
  6. Step 6: Final answer
    x = 6,854.84

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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.