Home / 8,702.24-12,009.33-5,346.95

Finding the Fourth Proportional to 8,702.24, 12,009.33 and 5,346.95

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Solution

The fourth proportional to 8,702.24, 12,009.33 and 5,346.95 is: 7,378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702.24 : 12,009.33 = 5,346.95 : x
  2. Step 2: Convert to fraction form
    8,702.24/12,009.33 = 5,346.95/x
  3. Step 3: Cross multiply
    8,702.24x = 12,009.33 × 5,346.95
  4. Step 4: Simplify right side
    8,702.24x = 64,213,227.00
  5. Step 5: Solve for x
    x = 64,213,227.00/8,702.24
  6. Step 6: Final answer
    x = 7,378.94

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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.