Home / 12,326.76-17,012.84-7,852.48

Finding the Fourth Proportional to 12,326.76, 17,012.84 and 7,852.48

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Solution

The fourth proportional to 12,326.76, 17,012.84 and 7,852.48 is: 10,837.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.76 : 17,012.84 = 7,852.48 : x
  2. Step 2: Convert to fraction form
    12,326.76/17,012.84 = 7,852.48/x
  3. Step 3: Cross multiply
    12,326.76x = 17,012.84 × 7,852.48
  4. Step 4: Simplify right side
    12,326.76x = 133,592,985.84
  5. Step 5: Solve for x
    x = 133,592,985.84/12,326.76
  6. Step 6: Final answer
    x = 10,837.64

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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.