Home / 10,720.89-14,795.03-6,005.16

Finding the Fourth Proportional to 10,720.89, 14,795.03 and 6,005.16

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Solution

The fourth proportional to 10,720.89, 14,795.03 and 6,005.16 is: 8,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.89 : 14,795.03 = 6,005.16 : x
  2. Step 2: Convert to fraction form
    10,720.89/14,795.03 = 6,005.16/x
  3. Step 3: Cross multiply
    10,720.89x = 14,795.03 × 6,005.16
  4. Step 4: Simplify right side
    10,720.89x = 88,846,522.35
  5. Step 5: Solve for x
    x = 88,846,522.35/10,720.89
  6. Step 6: Final answer
    x = 8,287.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.