Home / 7,931.12-11,904.06-4,038.44

Finding the Fourth Proportional to 7,931.12, 11,904.06 and 4,038.44

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Solution

The fourth proportional to 7,931.12, 11,904.06 and 4,038.44 is: 6,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.12 : 11,904.06 = 4,038.44 : x
  2. Step 2: Convert to fraction form
    7,931.12/11,904.06 = 4,038.44/x
  3. Step 3: Cross multiply
    7,931.12x = 11,904.06 × 4,038.44
  4. Step 4: Simplify right side
    7,931.12x = 48,073,832.07
  5. Step 5: Solve for x
    x = 48,073,832.07/7,931.12
  6. Step 6: Final answer
    x = 6,061.42

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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.