Home / 7,188.48-10,782.71-3,235.11

Finding the Fourth Proportional to 7,188.48, 10,782.71 and 3,235.11

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Solution

The fourth proportional to 7,188.48, 10,782.71 and 3,235.11 is: 4,852.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.48 : 10,782.71 = 3,235.11 : x
  2. Step 2: Convert to fraction form
    7,188.48/10,782.71 = 3,235.11/x
  3. Step 3: Cross multiply
    7,188.48x = 10,782.71 × 3,235.11
  4. Step 4: Simplify right side
    7,188.48x = 34,883,236.77
  5. Step 5: Solve for x
    x = 34,883,236.77/7,188.48
  6. Step 6: Final answer
    x = 4,852.66

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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.