Home / 10,253.37-15,378.36-2,858.58

Finding the Fourth Proportional to 10,253.37, 15,378.36 and 2,858.58

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Solution

The fourth proportional to 10,253.37, 15,378.36 and 2,858.58 is: 4,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.37 : 15,378.36 = 2,858.58 : x
  2. Step 2: Convert to fraction form
    10,253.37/15,378.36 = 2,858.58/x
  3. Step 3: Cross multiply
    10,253.37x = 15,378.36 × 2,858.58
  4. Step 4: Simplify right side
    10,253.37x = 43,960,272.33
  5. Step 5: Solve for x
    x = 43,960,272.33/10,253.37
  6. Step 6: Final answer
    x = 4,287.40

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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.