Home / 12,194.16-16,856.28-10,880.88

Finding the Fourth Proportional to 12,194.16, 16,856.28 and 10,880.88

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Solution

The fourth proportional to 12,194.16, 16,856.28 and 10,880.88 is: 15,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.16 : 16,856.28 = 10,880.88 : x
  2. Step 2: Convert to fraction form
    12,194.16/16,856.28 = 10,880.88/x
  3. Step 3: Cross multiply
    12,194.16x = 16,856.28 × 10,880.88
  4. Step 4: Simplify right side
    12,194.16x = 183,411,159.93
  5. Step 5: Solve for x
    x = 183,411,159.93/12,194.16
  6. Step 6: Final answer
    x = 15,040.90

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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.