Home / 9,224.79-12,730.28-5,245.67

Finding the Fourth Proportional to 9,224.79, 12,730.28 and 5,245.67

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Solution

The fourth proportional to 9,224.79, 12,730.28 and 5,245.67 is: 7,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,224.79 : 12,730.28 = 5,245.67 : x
  2. Step 2: Convert to fraction form
    9,224.79/12,730.28 = 5,245.67/x
  3. Step 3: Cross multiply
    9,224.79x = 12,730.28 × 5,245.67
  4. Step 4: Simplify right side
    9,224.79x = 66,778,758.01
  5. Step 5: Solve for x
    x = 66,778,758.01/9,224.79
  6. Step 6: Final answer
    x = 7,239.05

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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.