Home / 8,790.84-12,110.80-6,133.48

Finding the Fourth Proportional to 8,790.84, 12,110.80 and 6,133.48

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Solution

The fourth proportional to 8,790.84, 12,110.80 and 6,133.48 is: 8,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.84 : 12,110.80 = 6,133.48 : x
  2. Step 2: Convert to fraction form
    8,790.84/12,110.80 = 6,133.48/x
  3. Step 3: Cross multiply
    8,790.84x = 12,110.80 × 6,133.48
  4. Step 4: Simplify right side
    8,790.84x = 74,281,349.58
  5. Step 5: Solve for x
    x = 74,281,349.58/8,790.84
  6. Step 6: Final answer
    x = 8,449.86

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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.