Home / 10,050.80-15,076.20-2,656.40

Finding the Fourth Proportional to 10,050.80, 15,076.20 and 2,656.40

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Solution

The fourth proportional to 10,050.80, 15,076.20 and 2,656.40 is: 3,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,050.80 : 15,076.20 = 2,656.40 : x
  2. Step 2: Convert to fraction form
    10,050.80/15,076.20 = 2,656.40/x
  3. Step 3: Cross multiply
    10,050.80x = 15,076.20 × 2,656.40
  4. Step 4: Simplify right side
    10,050.80x = 40,048,417.68
  5. Step 5: Solve for x
    x = 40,048,417.68/10,050.80
  6. Step 6: Final answer
    x = 3,984.60

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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.