Home / 9,225.51-12,731.20-5,246.87

Finding the Fourth Proportional to 9,225.51, 12,731.20 and 5,246.87

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Solution

The fourth proportional to 9,225.51, 12,731.20 and 5,246.87 is: 7,240.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,225.51 : 12,731.20 = 5,246.87 : x
  2. Step 2: Convert to fraction form
    9,225.51/12,731.20 = 5,246.87/x
  3. Step 3: Cross multiply
    9,225.51x = 12,731.20 × 5,246.87
  4. Step 4: Simplify right side
    9,225.51x = 66,798,887.69
  5. Step 5: Solve for x
    x = 66,798,887.69/9,225.51
  6. Step 6: Final answer
    x = 7,240.67

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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.