Home / 11,884.03-16,421.65-11,307.58

Finding the Fourth Proportional to 11,884.03, 16,421.65 and 11,307.58

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Solution

The fourth proportional to 11,884.03, 16,421.65 and 11,307.58 is: 15,625.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.03 : 16,421.65 = 11,307.58 : x
  2. Step 2: Convert to fraction form
    11,884.03/16,421.65 = 11,307.58/x
  3. Step 3: Cross multiply
    11,884.03x = 16,421.65 × 11,307.58
  4. Step 4: Simplify right side
    11,884.03x = 185,689,051.78
  5. Step 5: Solve for x
    x = 185,689,051.78/11,884.03
  6. Step 6: Final answer
    x = 15,625.09

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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.