Home / 12,542.20-17,307.54-6,953.56

Finding the Fourth Proportional to 12,542.20, 17,307.54 and 6,953.56

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Solution

The fourth proportional to 12,542.20, 17,307.54 and 6,953.56 is: 9,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.20 : 17,307.54 = 6,953.56 : x
  2. Step 2: Convert to fraction form
    12,542.20/17,307.54 = 6,953.56/x
  3. Step 3: Cross multiply
    12,542.20x = 17,307.54 × 6,953.56
  4. Step 4: Simplify right side
    12,542.20x = 120,349,017.84
  5. Step 5: Solve for x
    x = 120,349,017.84/12,542.20
  6. Step 6: Final answer
    x = 9,595.53

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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.