Home / 12,434.36-17,159.40-6,845.36

Finding the Fourth Proportional to 12,434.36, 17,159.40 and 6,845.36

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Solution

The fourth proportional to 12,434.36, 17,159.40 and 6,845.36 is: 9,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.36 : 17,159.40 = 6,845.36 : x
  2. Step 2: Convert to fraction form
    12,434.36/17,159.40 = 6,845.36/x
  3. Step 3: Cross multiply
    12,434.36x = 17,159.40 × 6,845.36
  4. Step 4: Simplify right side
    12,434.36x = 117,462,184.59
  5. Step 5: Solve for x
    x = 117,462,184.59/12,434.36
  6. Step 6: Final answer
    x = 9,446.58

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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.