Home / 8,772.59-12,106.18-4,995.75

Finding the Fourth Proportional to 8,772.59, 12,106.18 and 4,995.75

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Solution

The fourth proportional to 8,772.59, 12,106.18 and 4,995.75 is: 6,894.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.59 : 12,106.18 = 4,995.75 : x
  2. Step 2: Convert to fraction form
    8,772.59/12,106.18 = 4,995.75/x
  3. Step 3: Cross multiply
    8,772.59x = 12,106.18 × 4,995.75
  4. Step 4: Simplify right side
    8,772.59x = 60,479,448.74
  5. Step 5: Solve for x
    x = 60,479,448.74/8,772.59
  6. Step 6: Final answer
    x = 6,894.14

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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.