Home / 12,265.56-16,904.70-10,012.95

Finding the Fourth Proportional to 12,265.56, 16,904.70 and 10,012.95

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Solution

The fourth proportional to 12,265.56, 16,904.70 and 10,012.95 is: 13,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.56 : 16,904.70 = 10,012.95 : x
  2. Step 2: Convert to fraction form
    12,265.56/16,904.70 = 10,012.95/x
  3. Step 3: Cross multiply
    12,265.56x = 16,904.70 × 10,012.95
  4. Step 4: Simplify right side
    12,265.56x = 169,265,915.87
  5. Step 5: Solve for x
    x = 169,265,915.87/12,265.56
  6. Step 6: Final answer
    x = 13,800.10

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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.