Home / 9,938.69-13,715.11-5,462.44

Finding the Fourth Proportional to 9,938.69, 13,715.11 and 5,462.44

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Solution

The fourth proportional to 9,938.69, 13,715.11 and 5,462.44 is: 7,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.69 : 13,715.11 = 5,462.44 : x
  2. Step 2: Convert to fraction form
    9,938.69/13,715.11 = 5,462.44/x
  3. Step 3: Cross multiply
    9,938.69x = 13,715.11 × 5,462.44
  4. Step 4: Simplify right side
    9,938.69x = 74,917,965.47
  5. Step 5: Solve for x
    x = 74,917,965.47/9,938.69
  6. Step 6: Final answer
    x = 7,538.01

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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.