Home / 12,137.52-16,752.93-10,876.42

Finding the Fourth Proportional to 12,137.52, 16,752.93 and 10,876.42

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Solution

The fourth proportional to 12,137.52, 16,752.93 and 10,876.42 is: 15,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.52 : 16,752.93 = 10,876.42 : x
  2. Step 2: Convert to fraction form
    12,137.52/16,752.93 = 10,876.42/x
  3. Step 3: Cross multiply
    12,137.52x = 16,752.93 × 10,876.42
  4. Step 4: Simplify right side
    12,137.52x = 182,211,883.07
  5. Step 5: Solve for x
    x = 182,211,883.07/12,137.52
  6. Step 6: Final answer
    x = 15,012.28

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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.