Home / 9,164.22-12,646.62-4,972.47

Finding the Fourth Proportional to 9,164.22, 12,646.62 and 4,972.47

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Solution

The fourth proportional to 9,164.22, 12,646.62 and 4,972.47 is: 6,862.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164.22 : 12,646.62 = 4,972.47 : x
  2. Step 2: Convert to fraction form
    9,164.22/12,646.62 = 4,972.47/x
  3. Step 3: Cross multiply
    9,164.22x = 12,646.62 × 4,972.47
  4. Step 4: Simplify right side
    9,164.22x = 62,884,938.55
  5. Step 5: Solve for x
    x = 62,884,938.55/9,164.22
  6. Step 6: Final answer
    x = 6,862.01

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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.