Home / 7,416.26-11,118.16-5,780.06

Finding the Fourth Proportional to 7,416.26, 11,118.16 and 5,780.06

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Solution

The fourth proportional to 7,416.26, 11,118.16 and 5,780.06 is: 8,665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.26 : 11,118.16 = 5,780.06 : x
  2. Step 2: Convert to fraction form
    7,416.26/11,118.16 = 5,780.06/x
  3. Step 3: Cross multiply
    7,416.26x = 11,118.16 × 5,780.06
  4. Step 4: Simplify right side
    7,416.26x = 64,263,625.22
  5. Step 5: Solve for x
    x = 64,263,625.22/7,416.26
  6. Step 6: Final answer
    x = 8,665.24

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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.