Home / 12,252.06-16,886.07-9,999.45

Finding the Fourth Proportional to 12,252.06, 16,886.07 and 9,999.45

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Solution

The fourth proportional to 12,252.06, 16,886.07 and 9,999.45 is: 13,781.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.06 : 16,886.07 = 9,999.45 : x
  2. Step 2: Convert to fraction form
    12,252.06/16,886.07 = 9,999.45/x
  3. Step 3: Cross multiply
    12,252.06x = 16,886.07 × 9,999.45
  4. Step 4: Simplify right side
    12,252.06x = 168,851,412.66
  5. Step 5: Solve for x
    x = 168,851,412.66/12,252.06
  6. Step 6: Final answer
    x = 13,781.47

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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.