Home / 7,642.58-11,467.17-4,135.06

Finding the Fourth Proportional to 7,642.58, 11,467.17 and 4,135.06

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Solution

The fourth proportional to 7,642.58, 11,467.17 and 4,135.06 is: 6,204.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.58 : 11,467.17 = 4,135.06 : x
  2. Step 2: Convert to fraction form
    7,642.58/11,467.17 = 4,135.06/x
  3. Step 3: Cross multiply
    7,642.58x = 11,467.17 × 4,135.06
  4. Step 4: Simplify right side
    7,642.58x = 47,417,465.82
  5. Step 5: Solve for x
    x = 47,417,465.82/7,642.58
  6. Step 6: Final answer
    x = 6,204.38

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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.