Home / 10,919.30-16,382.35-4,597.49

Finding the Fourth Proportional to 10,919.30, 16,382.35 and 4,597.49

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Solution

The fourth proportional to 10,919.30, 16,382.35 and 4,597.49 is: 6,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.30 : 16,382.35 = 4,597.49 : x
  2. Step 2: Convert to fraction form
    10,919.30/16,382.35 = 4,597.49/x
  3. Step 3: Cross multiply
    10,919.30x = 16,382.35 × 4,597.49
  4. Step 4: Simplify right side
    10,919.30x = 75,317,737.00
  5. Step 5: Solve for x
    x = 75,317,737.00/10,919.30
  6. Step 6: Final answer
    x = 6,897.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.