Home / 11,316.12-15,612.63-6,535.43

Finding the Fourth Proportional to 11,316.12, 15,612.63 and 6,535.43

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Solution

The fourth proportional to 11,316.12, 15,612.63 and 6,535.43 is: 9,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.12 : 15,612.63 = 6,535.43 : x
  2. Step 2: Convert to fraction form
    11,316.12/15,612.63 = 6,535.43/x
  3. Step 3: Cross multiply
    11,316.12x = 15,612.63 × 6,535.43
  4. Step 4: Simplify right side
    11,316.12x = 102,035,197.78
  5. Step 5: Solve for x
    x = 102,035,197.78/11,316.12
  6. Step 6: Final answer
    x = 9,016.80

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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.