Home / 12,470.61-17,208.77-7,092.33

Finding the Fourth Proportional to 12,470.61, 17,208.77 and 7,092.33

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Solution

The fourth proportional to 12,470.61, 17,208.77 and 7,092.33 is: 9,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.61 : 17,208.77 = 7,092.33 : x
  2. Step 2: Convert to fraction form
    12,470.61/17,208.77 = 7,092.33/x
  3. Step 3: Cross multiply
    12,470.61x = 17,208.77 × 7,092.33
  4. Step 4: Simplify right side
    12,470.61x = 122,050,215.63
  5. Step 5: Solve for x
    x = 122,050,215.63/12,470.61
  6. Step 6: Final answer
    x = 9,787.03

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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.