Home / 12,584.61-17,366.95-6,919.60

Finding the Fourth Proportional to 12,584.61, 17,366.95 and 6,919.60

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Solution

The fourth proportional to 12,584.61, 17,366.95 and 6,919.60 is: 9,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.61 : 17,366.95 = 6,919.60 : x
  2. Step 2: Convert to fraction form
    12,584.61/17,366.95 = 6,919.60/x
  3. Step 3: Cross multiply
    12,584.61x = 17,366.95 × 6,919.60
  4. Step 4: Simplify right side
    12,584.61x = 120,172,347.22
  5. Step 5: Solve for x
    x = 120,172,347.22/12,584.61
  6. Step 6: Final answer
    x = 9,549.16

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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.