Home / 9,349.56-12,902.64-5,317.05

Finding the Fourth Proportional to 9,349.56, 12,902.64 and 5,317.05

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Solution

The fourth proportional to 9,349.56, 12,902.64 and 5,317.05 is: 7,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349.56 : 12,902.64 = 5,317.05 : x
  2. Step 2: Convert to fraction form
    9,349.56/12,902.64 = 5,317.05/x
  3. Step 3: Cross multiply
    9,349.56x = 12,902.64 × 5,317.05
  4. Step 4: Simplify right side
    9,349.56x = 68,603,982.01
  5. Step 5: Solve for x
    x = 68,603,982.01/9,349.56
  6. Step 6: Final answer
    x = 7,337.67

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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.