Home / 7,176.13-9,905.13-4,943.56

Finding the Fourth Proportional to 7,176.13, 9,905.13 and 4,943.56

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Solution

The fourth proportional to 7,176.13, 9,905.13 and 4,943.56 is: 6,823.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.13 : 9,905.13 = 4,943.56 : x
  2. Step 2: Convert to fraction form
    7,176.13/9,905.13 = 4,943.56/x
  3. Step 3: Cross multiply
    7,176.13x = 9,905.13 × 4,943.56
  4. Step 4: Simplify right side
    7,176.13x = 48,966,604.46
  5. Step 5: Solve for x
    x = 48,966,604.46/7,176.13
  6. Step 6: Final answer
    x = 6,823.54

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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.