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Finding the Fourth Proportional to 9,011.79, 13,510.53 and 5,911.11

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Solution

The fourth proportional to 9,011.79, 13,510.53 and 5,911.11 is: 8,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.79 : 13,510.53 = 5,911.11 : x
  2. Step 2: Convert to fraction form
    9,011.79/13,510.53 = 5,911.11/x
  3. Step 3: Cross multiply
    9,011.79x = 13,510.53 × 5,911.11
  4. Step 4: Simplify right side
    9,011.79x = 79,862,228.99
  5. Step 5: Solve for x
    x = 79,862,228.99/9,011.79
  6. Step 6: Final answer
    x = 8,861.97

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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.