Home / 9,726.99-13,422.24-5,477.37

Finding the Fourth Proportional to 9,726.99, 13,422.24 and 5,477.37

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Solution

The fourth proportional to 9,726.99, 13,422.24 and 5,477.37 is: 7,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.99 : 13,422.24 = 5,477.37 : x
  2. Step 2: Convert to fraction form
    9,726.99/13,422.24 = 5,477.37/x
  3. Step 3: Cross multiply
    9,726.99x = 13,422.24 × 5,477.37
  4. Step 4: Simplify right side
    9,726.99x = 73,518,599.88
  5. Step 5: Solve for x
    x = 73,518,599.88/9,726.99
  6. Step 6: Final answer
    x = 7,558.21

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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.