Home / 7,772.47-10,726.01-4,235.68

Finding the Fourth Proportional to 7,772.47, 10,726.01 and 4,235.68

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Solution

The fourth proportional to 7,772.47, 10,726.01 and 4,235.68 is: 5,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.47 : 10,726.01 = 4,235.68 : x
  2. Step 2: Convert to fraction form
    7,772.47/10,726.01 = 4,235.68/x
  3. Step 3: Cross multiply
    7,772.47x = 10,726.01 × 4,235.68
  4. Step 4: Simplify right side
    7,772.47x = 45,431,946.04
  5. Step 5: Solve for x
    x = 45,431,946.04/7,772.47
  6. Step 6: Final answer
    x = 5,845.24

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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.