Home / 9,847.17-13,587.75-5,655.42

Finding the Fourth Proportional to 9,847.17, 13,587.75 and 5,655.42

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Solution

The fourth proportional to 9,847.17, 13,587.75 and 5,655.42 is: 7,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,847.17 : 13,587.75 = 5,655.42 : x
  2. Step 2: Convert to fraction form
    9,847.17/13,587.75 = 5,655.42/x
  3. Step 3: Cross multiply
    9,847.17x = 13,587.75 × 5,655.42
  4. Step 4: Simplify right side
    9,847.17x = 76,844,433.11
  5. Step 5: Solve for x
    x = 76,844,433.11/9,847.17
  6. Step 6: Final answer
    x = 7,803.71

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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.