Home / 8,503.09-11,726.41-5,315.37

Finding the Fourth Proportional to 8,503.09, 11,726.41 and 5,315.37

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Solution

The fourth proportional to 8,503.09, 11,726.41 and 5,315.37 is: 7,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.09 : 11,726.41 = 5,315.37 : x
  2. Step 2: Convert to fraction form
    8,503.09/11,726.41 = 5,315.37/x
  3. Step 3: Cross multiply
    8,503.09x = 11,726.41 × 5,315.37
  4. Step 4: Simplify right side
    8,503.09x = 62,330,219.11
  5. Step 5: Solve for x
    x = 62,330,219.11/8,503.09
  6. Step 6: Final answer
    x = 7,330.30

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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.