Home / 7,938.52-10,955.46-5,945.56

Finding the Fourth Proportional to 7,938.52, 10,955.46 and 5,945.56

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Solution

The fourth proportional to 7,938.52, 10,955.46 and 5,945.56 is: 8,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.52 : 10,955.46 = 5,945.56 : x
  2. Step 2: Convert to fraction form
    7,938.52/10,955.46 = 5,945.56/x
  3. Step 3: Cross multiply
    7,938.52x = 10,955.46 × 5,945.56
  4. Step 4: Simplify right side
    7,938.52x = 65,136,344.76
  5. Step 5: Solve for x
    x = 65,136,344.76/7,938.52
  6. Step 6: Final answer
    x = 8,205.10

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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.