Home / 10,929.08-16,393.74-5,084.12

Finding the Fourth Proportional to 10,929.08, 16,393.74 and 5,084.12

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Solution

The fourth proportional to 10,929.08, 16,393.74 and 5,084.12 is: 7,626.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.08 : 16,393.74 = 5,084.12 : x
  2. Step 2: Convert to fraction form
    10,929.08/16,393.74 = 5,084.12/x
  3. Step 3: Cross multiply
    10,929.08x = 16,393.74 × 5,084.12
  4. Step 4: Simplify right side
    10,929.08x = 83,347,741.41
  5. Step 5: Solve for x
    x = 83,347,741.41/10,929.08
  6. Step 6: Final answer
    x = 7,626.24

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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.