Home / 8,530.90-11,772.73-4,702.67

Finding the Fourth Proportional to 8,530.90, 11,772.73 and 4,702.67

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Solution

The fourth proportional to 8,530.90, 11,772.73 and 4,702.67 is: 6,489.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.90 : 11,772.73 = 4,702.67 : x
  2. Step 2: Convert to fraction form
    8,530.90/11,772.73 = 4,702.67/x
  3. Step 3: Cross multiply
    8,530.90x = 11,772.73 × 4,702.67
  4. Step 4: Simplify right side
    8,530.90x = 55,363,262.01
  5. Step 5: Solve for x
    x = 55,363,262.01/8,530.90
  6. Step 6: Final answer
    x = 6,489.73

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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.