Home / 8,407.26-11,602.04-4,870.80

Finding the Fourth Proportional to 8,407.26, 11,602.04 and 4,870.80

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Solution

The fourth proportional to 8,407.26, 11,602.04 and 4,870.80 is: 6,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407.26 : 11,602.04 = 4,870.80 : x
  2. Step 2: Convert to fraction form
    8,407.26/11,602.04 = 4,870.80/x
  3. Step 3: Cross multiply
    8,407.26x = 11,602.04 × 4,870.80
  4. Step 4: Simplify right side
    8,407.26x = 56,511,192.08
  5. Step 5: Solve for x
    x = 56,511,192.08/8,407.26
  6. Step 6: Final answer
    x = 6,721.71

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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.