Home / 12,292.16-16,963.22-6,988.07

Finding the Fourth Proportional to 12,292.16, 16,963.22 and 6,988.07

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Solution

The fourth proportional to 12,292.16, 16,963.22 and 6,988.07 is: 9,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.16 : 16,963.22 = 6,988.07 : x
  2. Step 2: Convert to fraction form
    12,292.16/16,963.22 = 6,988.07/x
  3. Step 3: Cross multiply
    12,292.16x = 16,963.22 × 6,988.07
  4. Step 4: Simplify right side
    12,292.16x = 118,540,228.66
  5. Step 5: Solve for x
    x = 118,540,228.66/12,292.16
  6. Step 6: Final answer
    x = 9,643.57

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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.