Home / 10,400.02-15,600.14-2,608.86

Finding the Fourth Proportional to 10,400.02, 15,600.14 and 2,608.86

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Solution

The fourth proportional to 10,400.02, 15,600.14 and 2,608.86 is: 3,913.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.02 : 15,600.14 = 2,608.86 : x
  2. Step 2: Convert to fraction form
    10,400.02/15,600.14 = 2,608.86/x
  3. Step 3: Cross multiply
    10,400.02x = 15,600.14 × 2,608.86
  4. Step 4: Simplify right side
    10,400.02x = 40,698,581.24
  5. Step 5: Solve for x
    x = 40,698,581.24/10,400.02
  6. Step 6: Final answer
    x = 3,913.32

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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.