Home / 10,030.18-15,036.36-3,451.78

Finding the Fourth Proportional to 10,030.18, 15,036.36 and 3,451.78

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Solution

The fourth proportional to 10,030.18, 15,036.36 and 3,451.78 is: 5,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.18 : 15,036.36 = 3,451.78 : x
  2. Step 2: Convert to fraction form
    10,030.18/15,036.36 = 3,451.78/x
  3. Step 3: Cross multiply
    10,030.18x = 15,036.36 × 3,451.78
  4. Step 4: Simplify right side
    10,030.18x = 51,902,206.72
  5. Step 5: Solve for x
    x = 51,902,206.72/10,030.18
  6. Step 6: Final answer
    x = 5,174.60

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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.