Home / 9,240.19-13,863.72-5,545.07

Finding the Fourth Proportional to 9,240.19, 13,863.72 and 5,545.07

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Solution

The fourth proportional to 9,240.19, 13,863.72 and 5,545.07 is: 8,319.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.19 : 13,863.72 = 5,545.07 : x
  2. Step 2: Convert to fraction form
    9,240.19/13,863.72 = 5,545.07/x
  3. Step 3: Cross multiply
    9,240.19x = 13,863.72 × 5,545.07
  4. Step 4: Simplify right side
    9,240.19x = 76,875,297.86
  5. Step 5: Solve for x
    x = 76,875,297.86/9,240.19
  6. Step 6: Final answer
    x = 8,319.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.