Home / 9,507.65-13,120.48-5,475.27

Finding the Fourth Proportional to 9,507.65, 13,120.48 and 5,475.27

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Solution

The fourth proportional to 9,507.65, 13,120.48 and 5,475.27 is: 7,555.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,507.65 : 13,120.48 = 5,475.27 : x
  2. Step 2: Convert to fraction form
    9,507.65/13,120.48 = 5,475.27/x
  3. Step 3: Cross multiply
    9,507.65x = 13,120.48 × 5,475.27
  4. Step 4: Simplify right side
    9,507.65x = 71,838,170.53
  5. Step 5: Solve for x
    x = 71,838,170.53/9,507.65
  6. Step 6: Final answer
    x = 7,555.83

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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.