Home / 7,150.87-10,666.02-6,932.17

Finding the Fourth Proportional to 7,150.87, 10,666.02 and 6,932.17

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Solution

The fourth proportional to 7,150.87, 10,666.02 and 6,932.17 is: 10,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.87 : 10,666.02 = 6,932.17 : x
  2. Step 2: Convert to fraction form
    7,150.87/10,666.02 = 6,932.17/x
  3. Step 3: Cross multiply
    7,150.87x = 10,666.02 × 6,932.17
  4. Step 4: Simplify right side
    7,150.87x = 73,938,663.86
  5. Step 5: Solve for x
    x = 73,938,663.86/7,150.87
  6. Step 6: Final answer
    x = 10,339.81

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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.