Home / 11,168.20-15,407.58-6,916.24

Finding the Fourth Proportional to 11,168.20, 15,407.58 and 6,916.24

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Solution

The fourth proportional to 11,168.20, 15,407.58 and 6,916.24 is: 9,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.20 : 15,407.58 = 6,916.24 : x
  2. Step 2: Convert to fraction form
    11,168.20/15,407.58 = 6,916.24/x
  3. Step 3: Cross multiply
    11,168.20x = 15,407.58 × 6,916.24
  4. Step 4: Simplify right side
    11,168.20x = 106,562,521.10
  5. Step 5: Solve for x
    x = 106,562,521.10/11,168.20
  6. Step 6: Final answer
    x = 9,541.60

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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.