Home / 7,971.29-11,000.23-4,434.43

Finding the Fourth Proportional to 7,971.29, 11,000.23 and 4,434.43

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Solution

The fourth proportional to 7,971.29, 11,000.23 and 4,434.43 is: 6,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.29 : 11,000.23 = 4,434.43 : x
  2. Step 2: Convert to fraction form
    7,971.29/11,000.23 = 4,434.43/x
  3. Step 3: Cross multiply
    7,971.29x = 11,000.23 × 4,434.43
  4. Step 4: Simplify right side
    7,971.29x = 48,779,749.92
  5. Step 5: Solve for x
    x = 48,779,749.92/7,971.29
  6. Step 6: Final answer
    x = 6,119.43

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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.