Home / 9,649.64-13,316.88-5,342.84

Finding the Fourth Proportional to 9,649.64, 13,316.88 and 5,342.84

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Solution

The fourth proportional to 9,649.64, 13,316.88 and 5,342.84 is: 7,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,649.64 : 13,316.88 = 5,342.84 : x
  2. Step 2: Convert to fraction form
    9,649.64/13,316.88 = 5,342.84/x
  3. Step 3: Cross multiply
    9,649.64x = 13,316.88 × 5,342.84
  4. Step 4: Simplify right side
    9,649.64x = 71,149,959.14
  5. Step 5: Solve for x
    x = 71,149,959.14/9,649.64
  6. Step 6: Final answer
    x = 7,373.33

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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.