Home / 10,199.15-15,298.72-2,803.64

Finding the Fourth Proportional to 10,199.15, 15,298.72 and 2,803.64

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Solution

The fourth proportional to 10,199.15, 15,298.72 and 2,803.64 is: 4,205.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.15 : 15,298.72 = 2,803.64 : x
  2. Step 2: Convert to fraction form
    10,199.15/15,298.72 = 2,803.64/x
  3. Step 3: Cross multiply
    10,199.15x = 15,298.72 × 2,803.64
  4. Step 4: Simplify right side
    10,199.15x = 42,892,134.58
  5. Step 5: Solve for x
    x = 42,892,134.58/10,199.15
  6. Step 6: Final answer
    x = 4,205.46

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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.