Home / 11,184.48-15,437.79-7,408.26

Finding the Fourth Proportional to 11,184.48, 15,437.79 and 7,408.26

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Solution

The fourth proportional to 11,184.48, 15,437.79 and 7,408.26 is: 10,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.48 : 15,437.79 = 7,408.26 : x
  2. Step 2: Convert to fraction form
    11,184.48/15,437.79 = 7,408.26/x
  3. Step 3: Cross multiply
    11,184.48x = 15,437.79 × 7,408.26
  4. Step 4: Simplify right side
    11,184.48x = 114,367,162.15
  5. Step 5: Solve for x
    x = 114,367,162.15/11,184.48
  6. Step 6: Final answer
    x = 10,225.52

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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.