Home / 12,473.95-17,209.54-9,603.56

Finding the Fourth Proportional to 12,473.95, 17,209.54 and 9,603.56

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Solution

The fourth proportional to 12,473.95, 17,209.54 and 9,603.56 is: 13,249.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.95 : 17,209.54 = 9,603.56 : x
  2. Step 2: Convert to fraction form
    12,473.95/17,209.54 = 9,603.56/x
  3. Step 3: Cross multiply
    12,473.95x = 17,209.54 × 9,603.56
  4. Step 4: Simplify right side
    12,473.95x = 165,272,849.96
  5. Step 5: Solve for x
    x = 165,272,849.96/12,473.95
  6. Step 6: Final answer
    x = 13,249.44

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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.