Home / 12,358.40-17,051.49-7,322.36

Finding the Fourth Proportional to 12,358.40, 17,051.49 and 7,322.36

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Solution

The fourth proportional to 12,358.40, 17,051.49 and 7,322.36 is: 10,103.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.40 : 17,051.49 = 7,322.36 : x
  2. Step 2: Convert to fraction form
    12,358.40/17,051.49 = 7,322.36/x
  3. Step 3: Cross multiply
    12,358.40x = 17,051.49 × 7,322.36
  4. Step 4: Simplify right side
    12,358.40x = 124,857,063.06
  5. Step 5: Solve for x
    x = 124,857,063.06/12,358.40
  6. Step 6: Final answer
    x = 10,103.02

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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.