Home / 10,009.43-15,014.45-3,435.52

Finding the Fourth Proportional to 10,009.43, 15,014.45 and 3,435.52

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Solution

The fourth proportional to 10,009.43, 15,014.45 and 3,435.52 is: 5,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.43 : 15,014.45 = 3,435.52 : x
  2. Step 2: Convert to fraction form
    10,009.43/15,014.45 = 3,435.52/x
  3. Step 3: Cross multiply
    10,009.43x = 15,014.45 × 3,435.52
  4. Step 4: Simplify right side
    10,009.43x = 51,582,388.55
  5. Step 5: Solve for x
    x = 51,582,388.55/10,009.43
  6. Step 6: Final answer
    x = 5,153.38

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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.