Home / 9,042.22-12,478.49-5,064.14

Finding the Fourth Proportional to 9,042.22, 12,478.49 and 5,064.14

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Solution

The fourth proportional to 9,042.22, 12,478.49 and 5,064.14 is: 6,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042.22 : 12,478.49 = 5,064.14 : x
  2. Step 2: Convert to fraction form
    9,042.22/12,478.49 = 5,064.14/x
  3. Step 3: Cross multiply
    9,042.22x = 12,478.49 × 5,064.14
  4. Step 4: Simplify right side
    9,042.22x = 63,192,820.35
  5. Step 5: Solve for x
    x = 63,192,820.35/9,042.22
  6. Step 6: Final answer
    x = 6,988.64

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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.