Home / 12,340.63-17,030.20-6,675.49

Finding the Fourth Proportional to 12,340.63, 17,030.20 and 6,675.49

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Solution

The fourth proportional to 12,340.63, 17,030.20 and 6,675.49 is: 9,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.63 : 17,030.20 = 6,675.49 : x
  2. Step 2: Convert to fraction form
    12,340.63/17,030.20 = 6,675.49/x
  3. Step 3: Cross multiply
    12,340.63x = 17,030.20 × 6,675.49
  4. Step 4: Simplify right side
    12,340.63x = 113,684,929.80
  5. Step 5: Solve for x
    x = 113,684,929.80/12,340.63
  6. Step 6: Final answer
    x = 9,212.25

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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.