Home / 10,019.35-15,030.39-4,174.59

Finding the Fourth Proportional to 10,019.35, 15,030.39 and 4,174.59

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Solution

The fourth proportional to 10,019.35, 15,030.39 and 4,174.59 is: 6,262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.35 : 15,030.39 = 4,174.59 : x
  2. Step 2: Convert to fraction form
    10,019.35/15,030.39 = 4,174.59/x
  3. Step 3: Cross multiply
    10,019.35x = 15,030.39 × 4,174.59
  4. Step 4: Simplify right side
    10,019.35x = 62,745,787.81
  5. Step 5: Solve for x
    x = 62,745,787.81/10,019.35
  6. Step 6: Final answer
    x = 6,262.46

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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.