Home / 11,886.03-16,385.24-9,048.45

Finding the Fourth Proportional to 11,886.03, 16,385.24 and 9,048.45

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Solution

The fourth proportional to 11,886.03, 16,385.24 and 9,048.45 is: 12,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886.03 : 16,385.24 = 9,048.45 : x
  2. Step 2: Convert to fraction form
    11,886.03/16,385.24 = 9,048.45/x
  3. Step 3: Cross multiply
    11,886.03x = 16,385.24 × 9,048.45
  4. Step 4: Simplify right side
    11,886.03x = 148,261,024.88
  5. Step 5: Solve for x
    x = 148,261,024.88/11,886.03
  6. Step 6: Final answer
    x = 12,473.55

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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.