Home / 11,140.48-16,715.04-4,569.76

Finding the Fourth Proportional to 11,140.48, 16,715.04 and 4,569.76

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Solution

The fourth proportional to 11,140.48, 16,715.04 and 4,569.76 is: 6,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.48 : 16,715.04 = 4,569.76 : x
  2. Step 2: Convert to fraction form
    11,140.48/16,715.04 = 4,569.76/x
  3. Step 3: Cross multiply
    11,140.48x = 16,715.04 × 4,569.76
  4. Step 4: Simplify right side
    11,140.48x = 76,383,721.19
  5. Step 5: Solve for x
    x = 76,383,721.19/11,140.48
  6. Step 6: Final answer
    x = 6,856.41

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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.