Home / 9,164.28-12,646.70-4,972.52

Finding the Fourth Proportional to 9,164.28, 12,646.70 and 4,972.52

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Solution

The fourth proportional to 9,164.28, 12,646.70 and 4,972.52 is: 6,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164.28 : 12,646.70 = 4,972.52 : x
  2. Step 2: Convert to fraction form
    9,164.28/12,646.70 = 4,972.52/x
  3. Step 3: Cross multiply
    9,164.28x = 12,646.70 × 4,972.52
  4. Step 4: Simplify right side
    9,164.28x = 62,885,968.68
  5. Step 5: Solve for x
    x = 62,885,968.68/9,164.28
  6. Step 6: Final answer
    x = 6,862.07

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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.