Home / 12,343.28-17,033.58-7,038.08

Finding the Fourth Proportional to 12,343.28, 17,033.58 and 7,038.08

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Solution

The fourth proportional to 12,343.28, 17,033.58 and 7,038.08 is: 9,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.28 : 17,033.58 = 7,038.08 : x
  2. Step 2: Convert to fraction form
    12,343.28/17,033.58 = 7,038.08/x
  3. Step 3: Cross multiply
    12,343.28x = 17,033.58 × 7,038.08
  4. Step 4: Simplify right side
    12,343.28x = 119,883,698.73
  5. Step 5: Solve for x
    x = 119,883,698.73/12,343.28
  6. Step 6: Final answer
    x = 9,712.47

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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.