Home / 9,082.39-12,535.21-5,305.55

Finding the Fourth Proportional to 9,082.39, 12,535.21 and 5,305.55

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Solution

The fourth proportional to 9,082.39, 12,535.21 and 5,305.55 is: 7,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,082.39 : 12,535.21 = 5,305.55 : x
  2. Step 2: Convert to fraction form
    9,082.39/12,535.21 = 5,305.55/x
  3. Step 3: Cross multiply
    9,082.39x = 12,535.21 × 5,305.55
  4. Step 4: Simplify right side
    9,082.39x = 66,506,102.50
  5. Step 5: Solve for x
    x = 66,506,102.50/9,082.39
  6. Step 6: Final answer
    x = 7,322.53

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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.