Home / 9,082.48-12,529.59-5,305.80

Finding the Fourth Proportional to 9,082.48, 12,529.59 and 5,305.80

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Solution

The fourth proportional to 9,082.48, 12,529.59 and 5,305.80 is: 7,319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,082.48 : 12,529.59 = 5,305.80 : x
  2. Step 2: Convert to fraction form
    9,082.48/12,529.59 = 5,305.80/x
  3. Step 3: Cross multiply
    9,082.48x = 12,529.59 × 5,305.80
  4. Step 4: Simplify right side
    9,082.48x = 66,479,525.71
  5. Step 5: Solve for x
    x = 66,479,525.71/9,082.48
  6. Step 6: Final answer
    x = 7,319.54

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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.