Home / 11,327.75-15,633.41-6,547.90

Finding the Fourth Proportional to 11,327.75, 15,633.41 and 6,547.90

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Solution

The fourth proportional to 11,327.75, 15,633.41 and 6,547.90 is: 9,036.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.75 : 15,633.41 = 6,547.90 : x
  2. Step 2: Convert to fraction form
    11,327.75/15,633.41 = 6,547.90/x
  3. Step 3: Cross multiply
    11,327.75x = 15,633.41 × 6,547.90
  4. Step 4: Simplify right side
    11,327.75x = 102,365,984.81
  5. Step 5: Solve for x
    x = 102,365,984.81/11,327.75
  6. Step 6: Final answer
    x = 9,036.75

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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.