Home / 10,036.78-15,057.06-4,490.36

Finding the Fourth Proportional to 10,036.78, 15,057.06 and 4,490.36

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Solution

The fourth proportional to 10,036.78, 15,057.06 and 4,490.36 is: 6,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,036.78 : 15,057.06 = 4,490.36 : x
  2. Step 2: Convert to fraction form
    10,036.78/15,057.06 = 4,490.36/x
  3. Step 3: Cross multiply
    10,036.78x = 15,057.06 × 4,490.36
  4. Step 4: Simplify right side
    10,036.78x = 67,611,619.94
  5. Step 5: Solve for x
    x = 67,611,619.94/10,036.78
  6. Step 6: Final answer
    x = 6,736.39

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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.