Home / 10,615.38-15,909.27-4,368.30

Finding the Fourth Proportional to 10,615.38, 15,909.27 and 4,368.30

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Solution

The fourth proportional to 10,615.38, 15,909.27 and 4,368.30 is: 6,546.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615.38 : 15,909.27 = 4,368.30 : x
  2. Step 2: Convert to fraction form
    10,615.38/15,909.27 = 4,368.30/x
  3. Step 3: Cross multiply
    10,615.38x = 15,909.27 × 4,368.30
  4. Step 4: Simplify right side
    10,615.38x = 69,496,464.14
  5. Step 5: Solve for x
    x = 69,496,464.14/10,615.38
  6. Step 6: Final answer
    x = 6,546.77

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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.