Home / 11,466.56-15,817.13-7,210.87

Finding the Fourth Proportional to 11,466.56, 15,817.13 and 7,210.87

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Solution

The fourth proportional to 11,466.56, 15,817.13 and 7,210.87 is: 9,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,466.56 : 15,817.13 = 7,210.87 : x
  2. Step 2: Convert to fraction form
    11,466.56/15,817.13 = 7,210.87/x
  3. Step 3: Cross multiply
    11,466.56x = 15,817.13 × 7,210.87
  4. Step 4: Simplify right side
    11,466.56x = 114,055,268.20
  5. Step 5: Solve for x
    x = 114,055,268.20/11,466.56
  6. Step 6: Final answer
    x = 9,946.77

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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.