Home / 7,023.15-9,693.81-4,039.32

Finding the Fourth Proportional to 7,023.15, 9,693.81 and 4,039.32

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Solution

The fourth proportional to 7,023.15, 9,693.81 and 4,039.32 is: 5,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.15 : 9,693.81 = 4,039.32 : x
  2. Step 2: Convert to fraction form
    7,023.15/9,693.81 = 4,039.32/x
  3. Step 3: Cross multiply
    7,023.15x = 9,693.81 × 4,039.32
  4. Step 4: Simplify right side
    7,023.15x = 39,156,400.61
  5. Step 5: Solve for x
    x = 39,156,400.61/7,023.15
  6. Step 6: Final answer
    x = 5,575.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.