Home / 9,644.26-13,316.63-7,402.58

Finding the Fourth Proportional to 9,644.26, 13,316.63 and 7,402.58

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Solution

The fourth proportional to 9,644.26, 13,316.63 and 7,402.58 is: 10,221.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,644.26 : 13,316.63 = 7,402.58 : x
  2. Step 2: Convert to fraction form
    9,644.26/13,316.63 = 7,402.58/x
  3. Step 3: Cross multiply
    9,644.26x = 13,316.63 × 7,402.58
  4. Step 4: Simplify right side
    9,644.26x = 98,577,415.18
  5. Step 5: Solve for x
    x = 98,577,415.18/9,644.26
  6. Step 6: Final answer
    x = 10,221.36

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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.