Home / 6,530.80-9,012.36-3,546.56

Finding the Fourth Proportional to 6,530.80, 9,012.36 and 3,546.56

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Solution

The fourth proportional to 6,530.80, 9,012.36 and 3,546.56 is: 4,894.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.80 : 9,012.36 = 3,546.56 : x
  2. Step 2: Convert to fraction form
    6,530.80/9,012.36 = 3,546.56/x
  3. Step 3: Cross multiply
    6,530.80x = 9,012.36 × 3,546.56
  4. Step 4: Simplify right side
    6,530.80x = 31,962,875.48
  5. Step 5: Solve for x
    x = 31,962,875.48/6,530.80
  6. Step 6: Final answer
    x = 4,894.17

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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.