Home / 8,764.80-12,094.08-5,228.16

Finding the Fourth Proportional to 8,764.80, 12,094.08 and 5,228.16

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Solution

The fourth proportional to 8,764.80, 12,094.08 and 5,228.16 is: 7,214.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.80 : 12,094.08 = 5,228.16 : x
  2. Step 2: Convert to fraction form
    8,764.80/12,094.08 = 5,228.16/x
  3. Step 3: Cross multiply
    8,764.80x = 12,094.08 × 5,228.16
  4. Step 4: Simplify right side
    8,764.80x = 63,229,785.29
  5. Step 5: Solve for x
    x = 63,229,785.29/8,764.80
  6. Step 6: Final answer
    x = 7,214.06

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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.