Home / 8,555.70-11,803.58-5,197.26

Finding the Fourth Proportional to 8,555.70, 11,803.58 and 5,197.26

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Solution

The fourth proportional to 8,555.70, 11,803.58 and 5,197.26 is: 7,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.70 : 11,803.58 = 5,197.26 : x
  2. Step 2: Convert to fraction form
    8,555.70/11,803.58 = 5,197.26/x
  3. Step 3: Cross multiply
    8,555.70x = 11,803.58 × 5,197.26
  4. Step 4: Simplify right side
    8,555.70x = 61,346,274.19
  5. Step 5: Solve for x
    x = 61,346,274.19/8,555.70
  6. Step 6: Final answer
    x = 7,170.22

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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.