Home / 10,132.34-13,982.49-5,656.64

Finding the Fourth Proportional to 10,132.34, 13,982.49 and 5,656.64

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Solution

The fourth proportional to 10,132.34, 13,982.49 and 5,656.64 is: 7,806.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.34 : 13,982.49 = 5,656.64 : x
  2. Step 2: Convert to fraction form
    10,132.34/13,982.49 = 5,656.64/x
  3. Step 3: Cross multiply
    10,132.34x = 13,982.49 × 5,656.64
  4. Step 4: Simplify right side
    10,132.34x = 79,093,842.32
  5. Step 5: Solve for x
    x = 79,093,842.32/10,132.34
  6. Step 6: Final answer
    x = 7,806.08

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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.