Home / 8,817.64-12,168.60-5,041.36

Finding the Fourth Proportional to 8,817.64, 12,168.60 and 5,041.36

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Solution

The fourth proportional to 8,817.64, 12,168.60 and 5,041.36 is: 6,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.64 : 12,168.60 = 5,041.36 : x
  2. Step 2: Convert to fraction form
    8,817.64/12,168.60 = 5,041.36/x
  3. Step 3: Cross multiply
    8,817.64x = 12,168.60 × 5,041.36
  4. Step 4: Simplify right side
    8,817.64x = 61,346,293.30
  5. Step 5: Solve for x
    x = 61,346,293.30/8,817.64
  6. Step 6: Final answer
    x = 6,957.22

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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.