Home / 10,533.58-15,800.36-2,742.18

Finding the Fourth Proportional to 10,533.58, 15,800.36 and 2,742.18

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Solution

The fourth proportional to 10,533.58, 15,800.36 and 2,742.18 is: 4,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,533.58 : 15,800.36 = 2,742.18 : x
  2. Step 2: Convert to fraction form
    10,533.58/15,800.36 = 2,742.18/x
  3. Step 3: Cross multiply
    10,533.58x = 15,800.36 × 2,742.18
  4. Step 4: Simplify right side
    10,533.58x = 43,327,431.18
  5. Step 5: Solve for x
    x = 43,327,431.18/10,533.58
  6. Step 6: Final answer
    x = 4,113.27

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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.