Home / 12,609.93-17,397.63-7,303.72

Finding the Fourth Proportional to 12,609.93, 17,397.63 and 7,303.72

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Solution

The fourth proportional to 12,609.93, 17,397.63 and 7,303.72 is: 10,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609.93 : 17,397.63 = 7,303.72 : x
  2. Step 2: Convert to fraction form
    12,609.93/17,397.63 = 7,303.72/x
  3. Step 3: Cross multiply
    12,609.93x = 17,397.63 × 7,303.72
  4. Step 4: Simplify right side
    12,609.93x = 127,067,418.18
  5. Step 5: Solve for x
    x = 127,067,418.18/12,609.93
  6. Step 6: Final answer
    x = 10,076.77

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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.