Home / 8,254.08-11,390.52-4,717.20

Finding the Fourth Proportional to 8,254.08, 11,390.52 and 4,717.20

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Solution

The fourth proportional to 8,254.08, 11,390.52 and 4,717.20 is: 6,509.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.08 : 11,390.52 = 4,717.20 : x
  2. Step 2: Convert to fraction form
    8,254.08/11,390.52 = 4,717.20/x
  3. Step 3: Cross multiply
    8,254.08x = 11,390.52 × 4,717.20
  4. Step 4: Simplify right side
    8,254.08x = 53,731,360.94
  5. Step 5: Solve for x
    x = 53,731,360.94/8,254.08
  6. Step 6: Final answer
    x = 6,509.67

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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.