Home / 10,076.60-15,107.70-4,525.40

Finding the Fourth Proportional to 10,076.60, 15,107.70 and 4,525.40

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Solution

The fourth proportional to 10,076.60, 15,107.70 and 4,525.40 is: 6,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.60 : 15,107.70 = 4,525.40 : x
  2. Step 2: Convert to fraction form
    10,076.60/15,107.70 = 4,525.40/x
  3. Step 3: Cross multiply
    10,076.60x = 15,107.70 × 4,525.40
  4. Step 4: Simplify right side
    10,076.60x = 68,368,385.58
  5. Step 5: Solve for x
    x = 68,368,385.58/10,076.60
  6. Step 6: Final answer
    x = 6,784.87

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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.