Home / 12,107.30-16,707.14-6,801.08

Finding the Fourth Proportional to 12,107.30, 16,707.14 and 6,801.08

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Solution

The fourth proportional to 12,107.30, 16,707.14 and 6,801.08 is: 9,384.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107.30 : 16,707.14 = 6,801.08 : x
  2. Step 2: Convert to fraction form
    12,107.30/16,707.14 = 6,801.08/x
  3. Step 3: Cross multiply
    12,107.30x = 16,707.14 × 6,801.08
  4. Step 4: Simplify right side
    12,107.30x = 113,626,478.17
  5. Step 5: Solve for x
    x = 113,626,478.17/12,107.30
  6. Step 6: Final answer
    x = 9,384.96

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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.