Home / 10,239.90-15,359.76-2,844.36

Finding the Fourth Proportional to 10,239.90, 15,359.76 and 2,844.36

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Solution

The fourth proportional to 10,239.90, 15,359.76 and 2,844.36 is: 4,266.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.90 : 15,359.76 = 2,844.36 : x
  2. Step 2: Convert to fraction form
    10,239.90/15,359.76 = 2,844.36/x
  3. Step 3: Cross multiply
    10,239.90x = 15,359.76 × 2,844.36
  4. Step 4: Simplify right side
    10,239.90x = 43,688,686.95
  5. Step 5: Solve for x
    x = 43,688,686.95/10,239.90
  6. Step 6: Final answer
    x = 4,266.52

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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.