Home / 11,782.32-17,675.82-4,386.84

Finding the Fourth Proportional to 11,782.32, 17,675.82 and 4,386.84

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Solution

The fourth proportional to 11,782.32, 17,675.82 and 4,386.84 is: 6,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.32 : 17,675.82 = 4,386.84 : x
  2. Step 2: Convert to fraction form
    11,782.32/17,675.82 = 4,386.84/x
  3. Step 3: Cross multiply
    11,782.32x = 17,675.82 × 4,386.84
  4. Step 4: Simplify right side
    11,782.32x = 77,540,994.21
  5. Step 5: Solve for x
    x = 77,540,994.21/11,782.32
  6. Step 6: Final answer
    x = 6,581.13

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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.