Home / 7,569.49-10,445.73-4,212.23

Finding the Fourth Proportional to 7,569.49, 10,445.73 and 4,212.23

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Solution

The fourth proportional to 7,569.49, 10,445.73 and 4,212.23 is: 5,812.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.49 : 10,445.73 = 4,212.23 : x
  2. Step 2: Convert to fraction form
    7,569.49/10,445.73 = 4,212.23/x
  3. Step 3: Cross multiply
    7,569.49x = 10,445.73 × 4,212.23
  4. Step 4: Simplify right side
    7,569.49x = 43,999,817.28
  5. Step 5: Solve for x
    x = 43,999,817.28/7,569.49
  6. Step 6: Final answer
    x = 5,812.78

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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.