Home / 7,341.90-10,136.66-5,222.13

Finding the Fourth Proportional to 7,341.90, 10,136.66 and 5,222.13

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Solution

The fourth proportional to 7,341.90, 10,136.66 and 5,222.13 is: 7,209.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.90 : 10,136.66 = 5,222.13 : x
  2. Step 2: Convert to fraction form
    7,341.90/10,136.66 = 5,222.13/x
  3. Step 3: Cross multiply
    7,341.90x = 10,136.66 × 5,222.13
  4. Step 4: Simplify right side
    7,341.90x = 52,934,930.18
  5. Step 5: Solve for x
    x = 52,934,930.18/7,341.90
  6. Step 6: Final answer
    x = 7,209.98

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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.