Home / 7,632.78-10,535.31-4,489.98

Finding the Fourth Proportional to 7,632.78, 10,535.31 and 4,489.98

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Solution

The fourth proportional to 7,632.78, 10,535.31 and 4,489.98 is: 6,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.78 : 10,535.31 = 4,489.98 : x
  2. Step 2: Convert to fraction form
    7,632.78/10,535.31 = 4,489.98/x
  3. Step 3: Cross multiply
    7,632.78x = 10,535.31 × 4,489.98
  4. Step 4: Simplify right side
    7,632.78x = 47,303,331.19
  5. Step 5: Solve for x
    x = 47,303,331.19/7,632.78
  6. Step 6: Final answer
    x = 6,197.39

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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.