Home / 8,372.07-11,554.04-5,534.51

Finding the Fourth Proportional to 8,372.07, 11,554.04 and 5,534.51

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Solution

The fourth proportional to 8,372.07, 11,554.04 and 5,534.51 is: 7,638.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.07 : 11,554.04 = 5,534.51 : x
  2. Step 2: Convert to fraction form
    8,372.07/11,554.04 = 5,534.51/x
  3. Step 3: Cross multiply
    8,372.07x = 11,554.04 × 5,534.51
  4. Step 4: Simplify right side
    8,372.07x = 63,946,019.72
  5. Step 5: Solve for x
    x = 63,946,019.72/8,372.07
  6. Step 6: Final answer
    x = 7,638.02

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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.