Home / 7,015.95-9,672.57-5,816.43

Finding the Fourth Proportional to 7,015.95, 9,672.57 and 5,816.43

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Solution

The fourth proportional to 7,015.95, 9,672.57 and 5,816.43 is: 8,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.95 : 9,672.57 = 5,816.43 : x
  2. Step 2: Convert to fraction form
    7,015.95/9,672.57 = 5,816.43/x
  3. Step 3: Cross multiply
    7,015.95x = 9,672.57 × 5,816.43
  4. Step 4: Simplify right side
    7,015.95x = 56,259,826.33
  5. Step 5: Solve for x
    x = 56,259,826.33/7,015.95
  6. Step 6: Final answer
    x = 8,018.85

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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.