Home / 8,753.33-12,079.40-4,774.48

Finding the Fourth Proportional to 8,753.33, 12,079.40 and 4,774.48

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Solution

The fourth proportional to 8,753.33, 12,079.40 and 4,774.48 is: 6,588.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.33 : 12,079.40 = 4,774.48 : x
  2. Step 2: Convert to fraction form
    8,753.33/12,079.40 = 4,774.48/x
  3. Step 3: Cross multiply
    8,753.33x = 12,079.40 × 4,774.48
  4. Step 4: Simplify right side
    8,753.33x = 57,672,799.64
  5. Step 5: Solve for x
    x = 57,672,799.64/8,753.33
  6. Step 6: Final answer
    x = 6,588.67

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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.