Home / 12,735.60-19,115.55-6,502.65

Finding the Fourth Proportional to 12,735.60, 19,115.55 and 6,502.65

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Solution

The fourth proportional to 12,735.60, 19,115.55 and 6,502.65 is: 9,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,735.60 : 19,115.55 = 6,502.65 : x
  2. Step 2: Convert to fraction form
    12,735.60/19,115.55 = 6,502.65/x
  3. Step 3: Cross multiply
    12,735.60x = 19,115.55 × 6,502.65
  4. Step 4: Simplify right side
    12,735.60x = 124,301,731.21
  5. Step 5: Solve for x
    x = 124,301,731.21/12,735.60
  6. Step 6: Final answer
    x = 9,760.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.