Home / 7,415.58-11,118.51-2,417.34

Finding the Fourth Proportional to 7,415.58, 11,118.51 and 2,417.34

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Solution

The fourth proportional to 7,415.58, 11,118.51 and 2,417.34 is: 3,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.58 : 11,118.51 = 2,417.34 : x
  2. Step 2: Convert to fraction form
    7,415.58/11,118.51 = 2,417.34/x
  3. Step 3: Cross multiply
    7,415.58x = 11,118.51 × 2,417.34
  4. Step 4: Simplify right side
    7,415.58x = 26,877,218.96
  5. Step 5: Solve for x
    x = 26,877,218.96/7,415.58
  6. Step 6: Final answer
    x = 3,624.43

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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.