Home / 7,209.42-9,934.23-5,318.00

Finding the Fourth Proportional to 7,209.42, 9,934.23 and 5,318.00

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Solution

The fourth proportional to 7,209.42, 9,934.23 and 5,318.00 is: 7,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.42 : 9,934.23 = 5,318.00 : x
  2. Step 2: Convert to fraction form
    7,209.42/9,934.23 = 5,318.00/x
  3. Step 3: Cross multiply
    7,209.42x = 9,934.23 × 5,318.00
  4. Step 4: Simplify right side
    7,209.42x = 52,830,240.69
  5. Step 5: Solve for x
    x = 52,830,240.69/7,209.42
  6. Step 6: Final answer
    x = 7,327.95

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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.