Home / 12,570.88-17,348.52-6,905.92

Finding the Fourth Proportional to 12,570.88, 17,348.52 and 6,905.92

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Solution

The fourth proportional to 12,570.88, 17,348.52 and 6,905.92 is: 9,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570.88 : 17,348.52 = 6,905.92 : x
  2. Step 2: Convert to fraction form
    12,570.88/17,348.52 = 6,905.92/x
  3. Step 3: Cross multiply
    12,570.88x = 17,348.52 × 6,905.92
  4. Step 4: Simplify right side
    12,570.88x = 119,807,491.24
  5. Step 5: Solve for x
    x = 119,807,491.24/12,570.88
  6. Step 6: Final answer
    x = 9,530.56

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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.