Home / 8,302.42-11,451.13-5,784.67

Finding the Fourth Proportional to 8,302.42, 11,451.13 and 5,784.67

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Solution

The fourth proportional to 8,302.42, 11,451.13 and 5,784.67 is: 7,978.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.42 : 11,451.13 = 5,784.67 : x
  2. Step 2: Convert to fraction form
    8,302.42/11,451.13 = 5,784.67/x
  3. Step 3: Cross multiply
    8,302.42x = 11,451.13 × 5,784.67
  4. Step 4: Simplify right side
    8,302.42x = 66,241,008.18
  5. Step 5: Solve for x
    x = 66,241,008.18/8,302.42
  6. Step 6: Final answer
    x = 7,978.52

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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.