Home / 10,440.36-14,407.44-5,660.04

Finding the Fourth Proportional to 10,440.36, 14,407.44 and 5,660.04

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Solution

The fourth proportional to 10,440.36, 14,407.44 and 5,660.04 is: 7,810.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.36 : 14,407.44 = 5,660.04 : x
  2. Step 2: Convert to fraction form
    10,440.36/14,407.44 = 5,660.04/x
  3. Step 3: Cross multiply
    10,440.36x = 14,407.44 × 5,660.04
  4. Step 4: Simplify right side
    10,440.36x = 81,546,686.70
  5. Step 5: Solve for x
    x = 81,546,686.70/10,440.36
  6. Step 6: Final answer
    x = 7,810.72

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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.