Home / 8,886.42-13,329.45-2,312.64

Finding the Fourth Proportional to 8,886.42, 13,329.45 and 2,312.64

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Solution

The fourth proportional to 8,886.42, 13,329.45 and 2,312.64 is: 3,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.42 : 13,329.45 = 2,312.64 : x
  2. Step 2: Convert to fraction form
    8,886.42/13,329.45 = 2,312.64/x
  3. Step 3: Cross multiply
    8,886.42x = 13,329.45 × 2,312.64
  4. Step 4: Simplify right side
    8,886.42x = 30,826,219.25
  5. Step 5: Solve for x
    x = 30,826,219.25/8,886.42
  6. Step 6: Final answer
    x = 3,468.91

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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.