Home / 12,579.04-17,359.39-6,913.93

Finding the Fourth Proportional to 12,579.04, 17,359.39 and 6,913.93

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Solution

The fourth proportional to 12,579.04, 17,359.39 and 6,913.93 is: 9,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579.04 : 17,359.39 = 6,913.93 : x
  2. Step 2: Convert to fraction form
    12,579.04/17,359.39 = 6,913.93/x
  3. Step 3: Cross multiply
    12,579.04x = 17,359.39 × 6,913.93
  4. Step 4: Simplify right side
    12,579.04x = 120,021,634.47
  5. Step 5: Solve for x
    x = 120,021,634.47/12,579.04
  6. Step 6: Final answer
    x = 9,541.40

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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.