Home / 9,742.43-14,615.81-4,545.47

Finding the Fourth Proportional to 9,742.43, 14,615.81 and 4,545.47

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Solution

The fourth proportional to 9,742.43, 14,615.81 and 4,545.47 is: 6,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.43 : 14,615.81 = 4,545.47 : x
  2. Step 2: Convert to fraction form
    9,742.43/14,615.81 = 4,545.47/x
  3. Step 3: Cross multiply
    9,742.43x = 14,615.81 × 4,545.47
  4. Step 4: Simplify right side
    9,742.43x = 66,435,725.88
  5. Step 5: Solve for x
    x = 66,435,725.88/9,742.43
  6. Step 6: Final answer
    x = 6,819.22

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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.