Home / 8,503.37-11,726.80-5,315.65

Finding the Fourth Proportional to 8,503.37, 11,726.80 and 5,315.65

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Solution

The fourth proportional to 8,503.37, 11,726.80 and 5,315.65 is: 7,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.37 : 11,726.80 = 5,315.65 : x
  2. Step 2: Convert to fraction form
    8,503.37/11,726.80 = 5,315.65/x
  3. Step 3: Cross multiply
    8,503.37x = 11,726.80 × 5,315.65
  4. Step 4: Simplify right side
    8,503.37x = 62,335,521.81
  5. Step 5: Solve for x
    x = 62,335,521.81/8,503.37
  6. Step 6: Final answer
    x = 7,330.69

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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.