Home / 10,078.40-15,106.44-4,873.52

Finding the Fourth Proportional to 10,078.40, 15,106.44 and 4,873.52

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Solution

The fourth proportional to 10,078.40, 15,106.44 and 4,873.52 is: 7,304.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.40 : 15,106.44 = 4,873.52 : x
  2. Step 2: Convert to fraction form
    10,078.40/15,106.44 = 4,873.52/x
  3. Step 3: Cross multiply
    10,078.40x = 15,106.44 × 4,873.52
  4. Step 4: Simplify right side
    10,078.40x = 73,621,537.47
  5. Step 5: Solve for x
    x = 73,621,537.47/10,078.40
  6. Step 6: Final answer
    x = 7,304.88

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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.