Home / 7,434.51-11,153.64-5,247.51

Finding the Fourth Proportional to 7,434.51, 11,153.64 and 5,247.51

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Solution

The fourth proportional to 7,434.51, 11,153.64 and 5,247.51 is: 7,872.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.51 : 11,153.64 = 5,247.51 : x
  2. Step 2: Convert to fraction form
    7,434.51/11,153.64 = 5,247.51/x
  3. Step 3: Cross multiply
    7,434.51x = 11,153.64 × 5,247.51
  4. Step 4: Simplify right side
    7,434.51x = 58,528,837.44
  5. Step 5: Solve for x
    x = 58,528,837.44/7,434.51
  6. Step 6: Final answer
    x = 7,872.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.