Home / 9,119.05-12,584.28-4,927.30

Finding the Fourth Proportional to 9,119.05, 12,584.28 and 4,927.30

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Solution

The fourth proportional to 9,119.05, 12,584.28 and 4,927.30 is: 6,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.05 : 12,584.28 = 4,927.30 : x
  2. Step 2: Convert to fraction form
    9,119.05/12,584.28 = 4,927.30/x
  3. Step 3: Cross multiply
    9,119.05x = 12,584.28 × 4,927.30
  4. Step 4: Simplify right side
    9,119.05x = 62,006,459.92
  5. Step 5: Solve for x
    x = 62,006,459.92/9,119.05
  6. Step 6: Final answer
    x = 6,799.67

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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.