Home / 11,792.32-17,688.24-4,770.40

Finding the Fourth Proportional to 11,792.32, 17,688.24 and 4,770.40

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Solution

The fourth proportional to 11,792.32, 17,688.24 and 4,770.40 is: 7,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,792.32 : 17,688.24 = 4,770.40 : x
  2. Step 2: Convert to fraction form
    11,792.32/17,688.24 = 4,770.40/x
  3. Step 3: Cross multiply
    11,792.32x = 17,688.24 × 4,770.40
  4. Step 4: Simplify right side
    11,792.32x = 84,379,980.10
  5. Step 5: Solve for x
    x = 84,379,980.10/11,792.32
  6. Step 6: Final answer
    x = 7,155.50

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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.