Home / 10,120.64-15,171.84-4,852.48

Finding the Fourth Proportional to 10,120.64, 15,171.84 and 4,852.48

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Solution

The fourth proportional to 10,120.64, 15,171.84 and 4,852.48 is: 7,274.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.64 : 15,171.84 = 4,852.48 : x
  2. Step 2: Convert to fraction form
    10,120.64/15,171.84 = 4,852.48/x
  3. Step 3: Cross multiply
    10,120.64x = 15,171.84 × 4,852.48
  4. Step 4: Simplify right side
    10,120.64x = 73,621,050.16
  5. Step 5: Solve for x
    x = 73,621,050.16/10,120.64
  6. Step 6: Final answer
    x = 7,274.35

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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.