Home / 7,880.30-11,816.98-2,334.07

Finding the Fourth Proportional to 7,880.30, 11,816.98 and 2,334.07

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Solution

The fourth proportional to 7,880.30, 11,816.98 and 2,334.07 is: 3,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.30 : 11,816.98 = 2,334.07 : x
  2. Step 2: Convert to fraction form
    7,880.30/11,816.98 = 2,334.07/x
  3. Step 3: Cross multiply
    7,880.30x = 11,816.98 × 2,334.07
  4. Step 4: Simplify right side
    7,880.30x = 27,581,658.51
  5. Step 5: Solve for x
    x = 27,581,658.51/7,880.30
  6. Step 6: Final answer
    x = 3,500.08

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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.