Home / 10,239.98-15,360.36-5,855.44

Finding the Fourth Proportional to 10,239.98, 15,360.36 and 5,855.44

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Solution

The fourth proportional to 10,239.98, 15,360.36 and 5,855.44 is: 8,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.98 : 15,360.36 = 5,855.44 : x
  2. Step 2: Convert to fraction form
    10,239.98/15,360.36 = 5,855.44/x
  3. Step 3: Cross multiply
    10,239.98x = 15,360.36 × 5,855.44
  4. Step 4: Simplify right side
    10,239.98x = 89,941,666.36
  5. Step 5: Solve for x
    x = 89,941,666.36/10,239.98
  6. Step 6: Final answer
    x = 8,783.38

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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.