Home / 7,345.89-10,137.57-4,512.33

Finding the Fourth Proportional to 7,345.89, 10,137.57 and 4,512.33

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Solution

The fourth proportional to 7,345.89, 10,137.57 and 4,512.33 is: 6,227.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.89 : 10,137.57 = 4,512.33 : x
  2. Step 2: Convert to fraction form
    7,345.89/10,137.57 = 4,512.33/x
  3. Step 3: Cross multiply
    7,345.89x = 10,137.57 × 4,512.33
  4. Step 4: Simplify right side
    7,345.89x = 45,744,061.24
  5. Step 5: Solve for x
    x = 45,744,061.24/7,345.89
  6. Step 6: Final answer
    x = 6,227.16

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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.