Home / 8,196.40-11,311.03-4,659.52

Finding the Fourth Proportional to 8,196.40, 11,311.03 and 4,659.52

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Solution

The fourth proportional to 8,196.40, 11,311.03 and 4,659.52 is: 6,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196.40 : 11,311.03 = 4,659.52 : x
  2. Step 2: Convert to fraction form
    8,196.40/11,311.03 = 4,659.52/x
  3. Step 3: Cross multiply
    8,196.40x = 11,311.03 × 4,659.52
  4. Step 4: Simplify right side
    8,196.40x = 52,703,970.51
  5. Step 5: Solve for x
    x = 52,703,970.51/8,196.40
  6. Step 6: Final answer
    x = 6,430.14

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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.