Home / 12,057.93-16,637.54-8,705.75

Finding the Fourth Proportional to 12,057.93, 16,637.54 and 8,705.75

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Solution

The fourth proportional to 12,057.93, 16,637.54 and 8,705.75 is: 12,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057.93 : 16,637.54 = 8,705.75 : x
  2. Step 2: Convert to fraction form
    12,057.93/16,637.54 = 8,705.75/x
  3. Step 3: Cross multiply
    12,057.93x = 16,637.54 × 8,705.75
  4. Step 4: Simplify right side
    12,057.93x = 144,842,137.14
  5. Step 5: Solve for x
    x = 144,842,137.14/12,057.93
  6. Step 6: Final answer
    x = 12,012.19

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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.