Home / 7,342.02-10,947.65-7,251.30

Finding the Fourth Proportional to 7,342.02, 10,947.65 and 7,251.30

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Solution

The fourth proportional to 7,342.02, 10,947.65 and 7,251.30 is: 10,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.02 : 10,947.65 = 7,251.30 : x
  2. Step 2: Convert to fraction form
    7,342.02/10,947.65 = 7,251.30/x
  3. Step 3: Cross multiply
    7,342.02x = 10,947.65 × 7,251.30
  4. Step 4: Simplify right side
    7,342.02x = 79,384,658.19
  5. Step 5: Solve for x
    x = 79,384,658.19/7,342.02
  6. Step 6: Final answer
    x = 10,812.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.