Home / 8,374.86-11,554.92-5,392.42

Finding the Fourth Proportional to 8,374.86, 11,554.92 and 5,392.42

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Solution

The fourth proportional to 8,374.86, 11,554.92 and 5,392.42 is: 7,440.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.86 : 11,554.92 = 5,392.42 : x
  2. Step 2: Convert to fraction form
    8,374.86/11,554.92 = 5,392.42/x
  3. Step 3: Cross multiply
    8,374.86x = 11,554.92 × 5,392.42
  4. Step 4: Simplify right side
    8,374.86x = 62,308,923.93
  5. Step 5: Solve for x
    x = 62,308,923.93/8,374.86
  6. Step 6: Final answer
    x = 7,440.00

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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.