Home / 8,267.76-11,411.33-5,435.40

Finding the Fourth Proportional to 8,267.76, 11,411.33 and 5,435.40

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Solution

The fourth proportional to 8,267.76, 11,411.33 and 5,435.40 is: 7,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.76 : 11,411.33 = 5,435.40 : x
  2. Step 2: Convert to fraction form
    8,267.76/11,411.33 = 5,435.40/x
  3. Step 3: Cross multiply
    8,267.76x = 11,411.33 × 5,435.40
  4. Step 4: Simplify right side
    8,267.76x = 62,025,143.08
  5. Step 5: Solve for x
    x = 62,025,143.08/8,267.76
  6. Step 6: Final answer
    x = 7,502.05

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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.