Home / 7,343.87-10,945.80-6,928.74

Finding the Fourth Proportional to 7,343.87, 10,945.80 and 6,928.74

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Solution

The fourth proportional to 7,343.87, 10,945.80 and 6,928.74 is: 10,327.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.87 : 10,945.80 = 6,928.74 : x
  2. Step 2: Convert to fraction form
    7,343.87/10,945.80 = 6,928.74/x
  3. Step 3: Cross multiply
    7,343.87x = 10,945.80 × 6,928.74
  4. Step 4: Simplify right side
    7,343.87x = 75,840,602.29
  5. Step 5: Solve for x
    x = 75,840,602.29/7,343.87
  6. Step 6: Final answer
    x = 10,327.07

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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.