Home / 10,368.82-15,554.58-4,129.39

Finding the Fourth Proportional to 10,368.82, 15,554.58 and 4,129.39

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Solution

The fourth proportional to 10,368.82, 15,554.58 and 4,129.39 is: 6,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.82 : 15,554.58 = 4,129.39 : x
  2. Step 2: Convert to fraction form
    10,368.82/15,554.58 = 4,129.39/x
  3. Step 3: Cross multiply
    10,368.82x = 15,554.58 × 4,129.39
  4. Step 4: Simplify right side
    10,368.82x = 64,230,927.11
  5. Step 5: Solve for x
    x = 64,230,927.11/10,368.82
  6. Step 6: Final answer
    x = 6,194.62

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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.