Home / 12,368.08-18,556.17-4,577.50

Finding the Fourth Proportional to 12,368.08, 18,556.17 and 4,577.50

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Solution

The fourth proportional to 12,368.08, 18,556.17 and 4,577.50 is: 6,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.08 : 18,556.17 = 4,577.50 : x
  2. Step 2: Convert to fraction form
    12,368.08/18,556.17 = 4,577.50/x
  3. Step 3: Cross multiply
    12,368.08x = 18,556.17 × 4,577.50
  4. Step 4: Simplify right side
    12,368.08x = 84,940,868.18
  5. Step 5: Solve for x
    x = 84,940,868.18/12,368.08
  6. Step 6: Final answer
    x = 6,867.75

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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.