Home / 10,023.30-15,030.81-3,782.25

Finding the Fourth Proportional to 10,023.30, 15,030.81 and 3,782.25

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Solution

The fourth proportional to 10,023.30, 15,030.81 and 3,782.25 is: 5,671.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,023.30 : 15,030.81 = 3,782.25 : x
  2. Step 2: Convert to fraction form
    10,023.30/15,030.81 = 3,782.25/x
  3. Step 3: Cross multiply
    10,023.30x = 15,030.81 × 3,782.25
  4. Step 4: Simplify right side
    10,023.30x = 56,850,281.12
  5. Step 5: Solve for x
    x = 56,850,281.12/10,023.30
  6. Step 6: Final answer
    x = 5,671.81

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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.