Home / 10,101.48-15,155.87-3,528.63

Finding the Fourth Proportional to 10,101.48, 15,155.87 and 3,528.63

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Solution

The fourth proportional to 10,101.48, 15,155.87 and 3,528.63 is: 5,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.48 : 15,155.87 = 3,528.63 : x
  2. Step 2: Convert to fraction form
    10,101.48/15,155.87 = 3,528.63/x
  3. Step 3: Cross multiply
    10,101.48x = 15,155.87 × 3,528.63
  4. Step 4: Simplify right side
    10,101.48x = 53,479,439.91
  5. Step 5: Solve for x
    x = 53,479,439.91/10,101.48
  6. Step 6: Final answer
    x = 5,294.22

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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.