Home / 9,545.19-13,172.11-5,238.27

Finding the Fourth Proportional to 9,545.19, 13,172.11 and 5,238.27

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Solution

The fourth proportional to 9,545.19, 13,172.11 and 5,238.27 is: 7,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,545.19 : 13,172.11 = 5,238.27 : x
  2. Step 2: Convert to fraction form
    9,545.19/13,172.11 = 5,238.27/x
  3. Step 3: Cross multiply
    9,545.19x = 13,172.11 × 5,238.27
  4. Step 4: Simplify right side
    9,545.19x = 68,999,068.65
  5. Step 5: Solve for x
    x = 68,999,068.65/9,545.19
  6. Step 6: Final answer
    x = 7,228.67

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Half scale
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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.