Home / 11,011.17-16,515.39-4,688.59

Finding the Fourth Proportional to 11,011.17, 16,515.39 and 4,688.59

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Solution

The fourth proportional to 11,011.17, 16,515.39 and 4,688.59 is: 7,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.17 : 16,515.39 = 4,688.59 : x
  2. Step 2: Convert to fraction form
    11,011.17/16,515.39 = 4,688.59/x
  3. Step 3: Cross multiply
    11,011.17x = 16,515.39 × 4,688.59
  4. Step 4: Simplify right side
    11,011.17x = 77,433,892.40
  5. Step 5: Solve for x
    x = 77,433,892.40/11,011.17
  6. Step 6: Final answer
    x = 7,032.30

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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.