Home / 10,085.10-13,902.19-7,096.20

Finding the Fourth Proportional to 10,085.10, 13,902.19 and 7,096.20

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Solution

The fourth proportional to 10,085.10, 13,902.19 and 7,096.20 is: 9,782.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.10 : 13,902.19 = 7,096.20 : x
  2. Step 2: Convert to fraction form
    10,085.10/13,902.19 = 7,096.20/x
  3. Step 3: Cross multiply
    10,085.10x = 13,902.19 × 7,096.20
  4. Step 4: Simplify right side
    10,085.10x = 98,652,720.68
  5. Step 5: Solve for x
    x = 98,652,720.68/10,085.10
  6. Step 6: Final answer
    x = 9,782.03

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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.