Home / 10,053.37-15,078.23-3,478.40

Finding the Fourth Proportional to 10,053.37, 15,078.23 and 3,478.40

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Solution

The fourth proportional to 10,053.37, 15,078.23 and 3,478.40 is: 5,216.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,053.37 : 15,078.23 = 3,478.40 : x
  2. Step 2: Convert to fraction form
    10,053.37/15,078.23 = 3,478.40/x
  3. Step 3: Cross multiply
    10,053.37x = 15,078.23 × 3,478.40
  4. Step 4: Simplify right side
    10,053.37x = 52,448,115.23
  5. Step 5: Solve for x
    x = 52,448,115.23/10,053.37
  6. Step 6: Final answer
    x = 5,216.97

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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.