Home / 9,065.72-12,500.70-6,266.36

Finding the Fourth Proportional to 9,065.72, 12,500.70 and 6,266.36

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Solution

The fourth proportional to 9,065.72, 12,500.70 and 6,266.36 is: 8,640.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.72 : 12,500.70 = 6,266.36 : x
  2. Step 2: Convert to fraction form
    9,065.72/12,500.70 = 6,266.36/x
  3. Step 3: Cross multiply
    9,065.72x = 12,500.70 × 6,266.36
  4. Step 4: Simplify right side
    9,065.72x = 78,333,886.45
  5. Step 5: Solve for x
    x = 78,333,886.45/9,065.72
  6. Step 6: Final answer
    x = 8,640.67

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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.