Home / 9,300.87-12,832.92-5,320.53

Finding the Fourth Proportional to 9,300.87, 12,832.92 and 5,320.53

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Solution

The fourth proportional to 9,300.87, 12,832.92 and 5,320.53 is: 7,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,300.87 : 12,832.92 = 5,320.53 : x
  2. Step 2: Convert to fraction form
    9,300.87/12,832.92 = 5,320.53/x
  3. Step 3: Cross multiply
    9,300.87x = 12,832.92 × 5,320.53
  4. Step 4: Simplify right side
    9,300.87x = 68,277,935.85
  5. Step 5: Solve for x
    x = 68,277,935.85/9,300.87
  6. Step 6: Final answer
    x = 7,341.03

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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.