Home / 8,480.13-11,702.60-4,703.34

Finding the Fourth Proportional to 8,480.13, 11,702.60 and 4,703.34

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Solution

The fourth proportional to 8,480.13, 11,702.60 and 4,703.34 is: 6,490.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.13 : 11,702.60 = 4,703.34 : x
  2. Step 2: Convert to fraction form
    8,480.13/11,702.60 = 4,703.34/x
  3. Step 3: Cross multiply
    8,480.13x = 11,702.60 × 4,703.34
  4. Step 4: Simplify right side
    8,480.13x = 55,041,283.17
  5. Step 5: Solve for x
    x = 55,041,283.17/8,480.13
  6. Step 6: Final answer
    x = 6,490.62

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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.