Home / 9,009.10-13,513.65-3,166.30

Finding the Fourth Proportional to 9,009.10, 13,513.65 and 3,166.30

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Solution

The fourth proportional to 9,009.10, 13,513.65 and 3,166.30 is: 4,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.10 : 13,513.65 = 3,166.30 : x
  2. Step 2: Convert to fraction form
    9,009.10/13,513.65 = 3,166.30/x
  3. Step 3: Cross multiply
    9,009.10x = 13,513.65 × 3,166.30
  4. Step 4: Simplify right side
    9,009.10x = 42,788,270.00
  5. Step 5: Solve for x
    x = 42,788,270.00/9,009.10
  6. Step 6: Final answer
    x = 4,749.45

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Double scale
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Similar ratio
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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.