Home / 10,103.01-15,140.24-7,602.54

Finding the Fourth Proportional to 10,103.01, 15,140.24 and 7,602.54

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Solution

The fourth proportional to 10,103.01, 15,140.24 and 7,602.54 is: 11,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.01 : 15,140.24 = 7,602.54 : x
  2. Step 2: Convert to fraction form
    10,103.01/15,140.24 = 7,602.54/x
  3. Step 3: Cross multiply
    10,103.01x = 15,140.24 × 7,602.54
  4. Step 4: Simplify right side
    10,103.01x = 115,104,242.20
  5. Step 5: Solve for x
    x = 115,104,242.20/10,103.01
  6. Step 6: Final answer
    x = 11,393.06

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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.