Home / 11,514.32-17,269.65-4,117.40

Finding the Fourth Proportional to 11,514.32, 17,269.65 and 4,117.40

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Solution

The fourth proportional to 11,514.32, 17,269.65 and 4,117.40 is: 6,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,514.32 : 17,269.65 = 4,117.40 : x
  2. Step 2: Convert to fraction form
    11,514.32/17,269.65 = 4,117.40/x
  3. Step 3: Cross multiply
    11,514.32x = 17,269.65 × 4,117.40
  4. Step 4: Simplify right side
    11,514.32x = 71,106,056.91
  5. Step 5: Solve for x
    x = 71,106,056.91/11,514.32
  6. Step 6: Final answer
    x = 6,175.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.