Home / 11,411.40-17,117.10-10,536.60

Finding the Fourth Proportional to 11,411.40, 17,117.10 and 10,536.60

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Solution

The fourth proportional to 11,411.40, 17,117.10 and 10,536.60 is: 15,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411.40 : 17,117.10 = 10,536.60 : x
  2. Step 2: Convert to fraction form
    11,411.40/17,117.10 = 10,536.60/x
  3. Step 3: Cross multiply
    11,411.40x = 17,117.10 × 10,536.60
  4. Step 4: Simplify right side
    11,411.40x = 180,356,035.86
  5. Step 5: Solve for x
    x = 180,356,035.86/11,411.40
  6. Step 6: Final answer
    x = 15,804.90

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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.