Home / 10,237.08-15,355.62-3,312.12

Finding the Fourth Proportional to 10,237.08, 15,355.62 and 3,312.12

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Solution

The fourth proportional to 10,237.08, 15,355.62 and 3,312.12 is: 4,968.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.08 : 15,355.62 = 3,312.12 : x
  2. Step 2: Convert to fraction form
    10,237.08/15,355.62 = 3,312.12/x
  3. Step 3: Cross multiply
    10,237.08x = 15,355.62 × 3,312.12
  4. Step 4: Simplify right side
    10,237.08x = 50,859,656.11
  5. Step 5: Solve for x
    x = 50,859,656.11/10,237.08
  6. Step 6: Final answer
    x = 4,968.18

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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.