Home / 8,325.48-11,489.40-5,674.08

Finding the Fourth Proportional to 8,325.48, 11,489.40 and 5,674.08

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Solution

The fourth proportional to 8,325.48, 11,489.40 and 5,674.08 is: 7,830.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.48 : 11,489.40 = 5,674.08 : x
  2. Step 2: Convert to fraction form
    8,325.48/11,489.40 = 5,674.08/x
  3. Step 3: Cross multiply
    8,325.48x = 11,489.40 × 5,674.08
  4. Step 4: Simplify right side
    8,325.48x = 65,191,774.75
  5. Step 5: Solve for x
    x = 65,191,774.75/8,325.48
  6. Step 6: Final answer
    x = 7,830.39

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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.