Home / 11,622.12-17,423.46-5,386.61

Finding the Fourth Proportional to 11,622.12, 17,423.46 and 5,386.61

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Solution

The fourth proportional to 11,622.12, 17,423.46 and 5,386.61 is: 8,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.12 : 17,423.46 = 5,386.61 : x
  2. Step 2: Convert to fraction form
    11,622.12/17,423.46 = 5,386.61/x
  3. Step 3: Cross multiply
    11,622.12x = 17,423.46 × 5,386.61
  4. Step 4: Simplify right side
    11,622.12x = 93,853,296.75
  5. Step 5: Solve for x
    x = 93,853,296.75/11,622.12
  6. Step 6: Final answer
    x = 8,075.40

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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.