Home / 12,548.51-17,315.53-7,245.08

Finding the Fourth Proportional to 12,548.51, 17,315.53 and 7,245.08

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Solution

The fourth proportional to 12,548.51, 17,315.53 and 7,245.08 is: 9,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.51 : 17,315.53 = 7,245.08 : x
  2. Step 2: Convert to fraction form
    12,548.51/17,315.53 = 7,245.08/x
  3. Step 3: Cross multiply
    12,548.51x = 17,315.53 × 7,245.08
  4. Step 4: Simplify right side
    12,548.51x = 125,452,295.40
  5. Step 5: Solve for x
    x = 125,452,295.40/12,548.51
  6. Step 6: Final answer
    x = 9,997.39

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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.