Home / 9,192.17-13,768.80-7,628.46

Finding the Fourth Proportional to 9,192.17, 13,768.80 and 7,628.46

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Solution

The fourth proportional to 9,192.17, 13,768.80 and 7,628.46 is: 11,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.17 : 13,768.80 = 7,628.46 : x
  2. Step 2: Convert to fraction form
    9,192.17/13,768.80 = 7,628.46/x
  3. Step 3: Cross multiply
    9,192.17x = 13,768.80 × 7,628.46
  4. Step 4: Simplify right side
    9,192.17x = 105,034,740.05
  5. Step 5: Solve for x
    x = 105,034,740.05/9,192.17
  6. Step 6: Final answer
    x = 11,426.55

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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.