Home / 8,387.86-11,575.49-4,852.18

Finding the Fourth Proportional to 8,387.86, 11,575.49 and 4,852.18

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Solution

The fourth proportional to 8,387.86, 11,575.49 and 4,852.18 is: 6,696.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.86 : 11,575.49 = 4,852.18 : x
  2. Step 2: Convert to fraction form
    8,387.86/11,575.49 = 4,852.18/x
  3. Step 3: Cross multiply
    8,387.86x = 11,575.49 × 4,852.18
  4. Step 4: Simplify right side
    8,387.86x = 56,166,361.07
  5. Step 5: Solve for x
    x = 56,166,361.07/8,387.86
  6. Step 6: Final answer
    x = 6,696.15

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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.