Home / 10,906.60-15,048.84-6,714.04

Finding the Fourth Proportional to 10,906.60, 15,048.84 and 6,714.04

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Solution

The fourth proportional to 10,906.60, 15,048.84 and 6,714.04 is: 9,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.60 : 15,048.84 = 6,714.04 : x
  2. Step 2: Convert to fraction form
    10,906.60/15,048.84 = 6,714.04/x
  3. Step 3: Cross multiply
    10,906.60x = 15,048.84 × 6,714.04
  4. Step 4: Simplify right side
    10,906.60x = 101,038,513.71
  5. Step 5: Solve for x
    x = 101,038,513.71/10,906.60
  6. Step 6: Final answer
    x = 9,263.98

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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.