Home / 9,086.08-12,539.01-5,106.97

Finding the Fourth Proportional to 9,086.08, 12,539.01 and 5,106.97

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Solution

The fourth proportional to 9,086.08, 12,539.01 and 5,106.97 is: 7,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.08 : 12,539.01 = 5,106.97 : x
  2. Step 2: Convert to fraction form
    9,086.08/12,539.01 = 5,106.97/x
  3. Step 3: Cross multiply
    9,086.08x = 12,539.01 × 5,106.97
  4. Step 4: Simplify right side
    9,086.08x = 64,036,347.90
  5. Step 5: Solve for x
    x = 64,036,347.90/9,086.08
  6. Step 6: Final answer
    x = 7,047.74

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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.