Home / 7,730.24-11,588.88-3,116.48

Finding the Fourth Proportional to 7,730.24, 11,588.88 and 3,116.48

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Solution

The fourth proportional to 7,730.24, 11,588.88 and 3,116.48 is: 4,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.24 : 11,588.88 = 3,116.48 : x
  2. Step 2: Convert to fraction form
    7,730.24/11,588.88 = 3,116.48/x
  3. Step 3: Cross multiply
    7,730.24x = 11,588.88 × 3,116.48
  4. Step 4: Simplify right side
    7,730.24x = 36,116,512.74
  5. Step 5: Solve for x
    x = 36,116,512.74/7,730.24
  6. Step 6: Final answer
    x = 4,672.11

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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.