Home / 12,106.44-16,710.36-7,326.40

Finding the Fourth Proportional to 12,106.44, 16,710.36 and 7,326.40

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Solution

The fourth proportional to 12,106.44, 16,710.36 and 7,326.40 is: 10,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.44 : 16,710.36 = 7,326.40 : x
  2. Step 2: Convert to fraction form
    12,106.44/16,710.36 = 7,326.40/x
  3. Step 3: Cross multiply
    12,106.44x = 16,710.36 × 7,326.40
  4. Step 4: Simplify right side
    12,106.44x = 122,426,781.50
  5. Step 5: Solve for x
    x = 122,426,781.50/12,106.44
  6. Step 6: Final answer
    x = 10,112.53

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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.