Home / 8,355.24-11,530.05-4,578.32

Finding the Fourth Proportional to 8,355.24, 11,530.05 and 4,578.32

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Solution

The fourth proportional to 8,355.24, 11,530.05 and 4,578.32 is: 6,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.24 : 11,530.05 = 4,578.32 : x
  2. Step 2: Convert to fraction form
    8,355.24/11,530.05 = 4,578.32/x
  3. Step 3: Cross multiply
    8,355.24x = 11,530.05 × 4,578.32
  4. Step 4: Simplify right side
    8,355.24x = 52,788,226.93
  5. Step 5: Solve for x
    x = 52,788,226.93/8,355.24
  6. Step 6: Final answer
    x = 6,317.98

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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.