Home / 9,531.22-13,154.68-5,554.66

Finding the Fourth Proportional to 9,531.22, 13,154.68 and 5,554.66

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Solution

The fourth proportional to 9,531.22, 13,154.68 and 5,554.66 is: 7,666.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.22 : 13,154.68 = 5,554.66 : x
  2. Step 2: Convert to fraction form
    9,531.22/13,154.68 = 5,554.66/x
  3. Step 3: Cross multiply
    9,531.22x = 13,154.68 × 5,554.66
  4. Step 4: Simplify right side
    9,531.22x = 73,069,774.81
  5. Step 5: Solve for x
    x = 73,069,774.81/9,531.22
  6. Step 6: Final answer
    x = 7,666.36

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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.