Home / 7,194.40-9,927.55-4,209.64

Finding the Fourth Proportional to 7,194.40, 9,927.55 and 4,209.64

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Solution

The fourth proportional to 7,194.40, 9,927.55 and 4,209.64 is: 5,808.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194.40 : 9,927.55 = 4,209.64 : x
  2. Step 2: Convert to fraction form
    7,194.40/9,927.55 = 4,209.64/x
  3. Step 3: Cross multiply
    7,194.40x = 9,927.55 × 4,209.64
  4. Step 4: Simplify right side
    7,194.40x = 41,791,411.58
  5. Step 5: Solve for x
    x = 41,791,411.58/7,194.40
  6. Step 6: Final answer
    x = 5,808.88

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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.