Home / 9,348.06-12,901.24-5,156.31

Finding the Fourth Proportional to 9,348.06, 12,901.24 and 5,156.31

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Solution

The fourth proportional to 9,348.06, 12,901.24 and 5,156.31 is: 7,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,348.06 : 12,901.24 = 5,156.31 : x
  2. Step 2: Convert to fraction form
    9,348.06/12,901.24 = 5,156.31/x
  3. Step 3: Cross multiply
    9,348.06x = 12,901.24 × 5,156.31
  4. Step 4: Simplify right side
    9,348.06x = 66,522,812.19
  5. Step 5: Solve for x
    x = 66,522,812.19/9,348.06
  6. Step 6: Final answer
    x = 7,116.21

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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.