Home / 7,931.24-11,895.72-2,088.32

Finding the Fourth Proportional to 7,931.24, 11,895.72 and 2,088.32

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Solution

The fourth proportional to 7,931.24, 11,895.72 and 2,088.32 is: 3,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.24 : 11,895.72 = 2,088.32 : x
  2. Step 2: Convert to fraction form
    7,931.24/11,895.72 = 2,088.32/x
  3. Step 3: Cross multiply
    7,931.24x = 11,895.72 × 2,088.32
  4. Step 4: Simplify right side
    7,931.24x = 24,842,069.99
  5. Step 5: Solve for x
    x = 24,842,069.99/7,931.24
  6. Step 6: Final answer
    x = 3,132.18

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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.