Home / 9,612.10-13,245.01-7,090.22

Finding the Fourth Proportional to 9,612.10, 13,245.01 and 7,090.22

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Solution

The fourth proportional to 9,612.10, 13,245.01 and 7,090.22 is: 9,769.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.10 : 13,245.01 = 7,090.22 : x
  2. Step 2: Convert to fraction form
    9,612.10/13,245.01 = 7,090.22/x
  3. Step 3: Cross multiply
    9,612.10x = 13,245.01 × 7,090.22
  4. Step 4: Simplify right side
    9,612.10x = 93,910,034.80
  5. Step 5: Solve for x
    x = 93,910,034.80/9,612.10
  6. Step 6: Final answer
    x = 9,769.98

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Double scale
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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.