Home / 10,108.36-13,848.52-9,729.58

Finding the Fourth Proportional to 10,108.36, 13,848.52 and 9,729.58

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Solution

The fourth proportional to 10,108.36, 13,848.52 and 9,729.58 is: 13,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.36 : 13,848.52 = 9,729.58 : x
  2. Step 2: Convert to fraction form
    10,108.36/13,848.52 = 9,729.58/x
  3. Step 3: Cross multiply
    10,108.36x = 13,848.52 × 9,729.58
  4. Step 4: Simplify right side
    10,108.36x = 134,740,283.22
  5. Step 5: Solve for x
    x = 134,740,283.22/10,108.36
  6. Step 6: Final answer
    x = 13,329.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.