Home / 9,507.58-13,120.68-5,258.93

Finding the Fourth Proportional to 9,507.58, 13,120.68 and 5,258.93

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Solution

The fourth proportional to 9,507.58, 13,120.68 and 5,258.93 is: 7,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,507.58 : 13,120.68 = 5,258.93 : x
  2. Step 2: Convert to fraction form
    9,507.58/13,120.68 = 5,258.93/x
  3. Step 3: Cross multiply
    9,507.58x = 13,120.68 × 5,258.93
  4. Step 4: Simplify right side
    9,507.58x = 69,000,691.79
  5. Step 5: Solve for x
    x = 69,000,691.79/9,507.58
  6. Step 6: Final answer
    x = 7,257.44

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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.