Home / 7,106.48-10,664.56-3,646.16

Finding the Fourth Proportional to 7,106.48, 10,664.56 and 3,646.16

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Solution

The fourth proportional to 7,106.48, 10,664.56 and 3,646.16 is: 5,471.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.48 : 10,664.56 = 3,646.16 : x
  2. Step 2: Convert to fraction form
    7,106.48/10,664.56 = 3,646.16/x
  3. Step 3: Cross multiply
    7,106.48x = 10,664.56 × 3,646.16
  4. Step 4: Simplify right side
    7,106.48x = 38,884,692.09
  5. Step 5: Solve for x
    x = 38,884,692.09/7,106.48
  6. Step 6: Final answer
    x = 5,471.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.