Home / 11,296.45-15,585.36-6,818.50

Finding the Fourth Proportional to 11,296.45, 15,585.36 and 6,818.50

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Solution

The fourth proportional to 11,296.45, 15,585.36 and 6,818.50 is: 9,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,296.45 : 15,585.36 = 6,818.50 : x
  2. Step 2: Convert to fraction form
    11,296.45/15,585.36 = 6,818.50/x
  3. Step 3: Cross multiply
    11,296.45x = 15,585.36 × 6,818.50
  4. Step 4: Simplify right side
    11,296.45x = 106,268,699.23
  5. Step 5: Solve for x
    x = 106,268,699.23/11,296.45
  6. Step 6: Final answer
    x = 9,407.27

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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.