Home / 12,368.71-17,091.43-9,005.66

Finding the Fourth Proportional to 12,368.71, 17,091.43 and 9,005.66

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Solution

The fourth proportional to 12,368.71, 17,091.43 and 9,005.66 is: 12,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.71 : 17,091.43 = 9,005.66 : x
  2. Step 2: Convert to fraction form
    12,368.71/17,091.43 = 9,005.66/x
  3. Step 3: Cross multiply
    12,368.71x = 17,091.43 × 9,005.66
  4. Step 4: Simplify right side
    12,368.71x = 153,919,563.62
  5. Step 5: Solve for x
    x = 153,919,563.62/12,368.71
  6. Step 6: Final answer
    x = 12,444.27

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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.