Home / 8,246.61-11,379.69-4,889.16

Finding the Fourth Proportional to 8,246.61, 11,379.69 and 4,889.16

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Solution

The fourth proportional to 8,246.61, 11,379.69 and 4,889.16 is: 6,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.61 : 11,379.69 = 4,889.16 : x
  2. Step 2: Convert to fraction form
    8,246.61/11,379.69 = 4,889.16/x
  3. Step 3: Cross multiply
    8,246.61x = 11,379.69 × 4,889.16
  4. Step 4: Simplify right side
    8,246.61x = 55,637,125.16
  5. Step 5: Solve for x
    x = 55,637,125.16/8,246.61
  6. Step 6: Final answer
    x = 6,746.67

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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.