Home / 10,020.96-13,814.26-7,027.76

Finding the Fourth Proportional to 10,020.96, 13,814.26 and 7,027.76

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Solution

The fourth proportional to 10,020.96, 13,814.26 and 7,027.76 is: 9,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.96 : 13,814.26 = 7,027.76 : x
  2. Step 2: Convert to fraction form
    10,020.96/13,814.26 = 7,027.76/x
  3. Step 3: Cross multiply
    10,020.96x = 13,814.26 × 7,027.76
  4. Step 4: Simplify right side
    10,020.96x = 97,083,303.86
  5. Step 5: Solve for x
    x = 97,083,303.86/10,020.96
  6. Step 6: Final answer
    x = 9,688.02

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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.