Home / 8,802.12-13,200.84-3,870.66

Finding the Fourth Proportional to 8,802.12, 13,200.84 and 3,870.66

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Solution

The fourth proportional to 8,802.12, 13,200.84 and 3,870.66 is: 5,804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.12 : 13,200.84 = 3,870.66 : x
  2. Step 2: Convert to fraction form
    8,802.12/13,200.84 = 3,870.66/x
  3. Step 3: Cross multiply
    8,802.12x = 13,200.84 × 3,870.66
  4. Step 4: Simplify right side
    8,802.12x = 51,095,963.35
  5. Step 5: Solve for x
    x = 51,095,963.35/8,802.12
  6. Step 6: Final answer
    x = 5,804.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.