Home / 10,361.12-14,293.78-7,002.70

Finding the Fourth Proportional to 10,361.12, 14,293.78 and 7,002.70

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Solution

The fourth proportional to 10,361.12, 14,293.78 and 7,002.70 is: 9,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.12 : 14,293.78 = 7,002.70 : x
  2. Step 2: Convert to fraction form
    10,361.12/14,293.78 = 7,002.70/x
  3. Step 3: Cross multiply
    10,361.12x = 14,293.78 × 7,002.70
  4. Step 4: Simplify right side
    10,361.12x = 100,095,053.21
  5. Step 5: Solve for x
    x = 100,095,053.21/10,361.12
  6. Step 6: Final answer
    x = 9,660.64

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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.