Home / 8,820.14-12,172.23-5,043.47

Finding the Fourth Proportional to 8,820.14, 12,172.23 and 5,043.47

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Solution

The fourth proportional to 8,820.14, 12,172.23 and 5,043.47 is: 6,960.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.14 : 12,172.23 = 5,043.47 : x
  2. Step 2: Convert to fraction form
    8,820.14/12,172.23 = 5,043.47/x
  3. Step 3: Cross multiply
    8,820.14x = 12,172.23 × 5,043.47
  4. Step 4: Simplify right side
    8,820.14x = 61,390,215.98
  5. Step 5: Solve for x
    x = 61,390,215.98/8,820.14
  6. Step 6: Final answer
    x = 6,960.24

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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.