Home / 9,763.96-13,474.28-5,287.72

Finding the Fourth Proportional to 9,763.96, 13,474.28 and 5,287.72

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Solution

The fourth proportional to 9,763.96, 13,474.28 and 5,287.72 is: 7,297.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,763.96 : 13,474.28 = 5,287.72 : x
  2. Step 2: Convert to fraction form
    9,763.96/13,474.28 = 5,287.72/x
  3. Step 3: Cross multiply
    9,763.96x = 13,474.28 × 5,287.72
  4. Step 4: Simplify right side
    9,763.96x = 71,248,219.84
  5. Step 5: Solve for x
    x = 71,248,219.84/9,763.96
  6. Step 6: Final answer
    x = 7,297.06

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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.