Home / 12,584.07-17,366.10-6,918.63

Finding the Fourth Proportional to 12,584.07, 17,366.10 and 6,918.63

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Solution

The fourth proportional to 12,584.07, 17,366.10 and 6,918.63 is: 9,547.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.07 : 17,366.10 = 6,918.63 : x
  2. Step 2: Convert to fraction form
    12,584.07/17,366.10 = 6,918.63/x
  3. Step 3: Cross multiply
    12,584.07x = 17,366.10 × 6,918.63
  4. Step 4: Simplify right side
    12,584.07x = 120,149,529.38
  5. Step 5: Solve for x
    x = 120,149,529.38/12,584.07
  6. Step 6: Final answer
    x = 9,547.75

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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.