Home / 10,979.40-16,465.86-6,048.12

Finding the Fourth Proportional to 10,979.40, 16,465.86 and 6,048.12

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Solution

The fourth proportional to 10,979.40, 16,465.86 and 6,048.12 is: 9,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.40 : 16,465.86 = 6,048.12 : x
  2. Step 2: Convert to fraction form
    10,979.40/16,465.86 = 6,048.12/x
  3. Step 3: Cross multiply
    10,979.40x = 16,465.86 × 6,048.12
  4. Step 4: Simplify right side
    10,979.40x = 99,587,497.18
  5. Step 5: Solve for x
    x = 99,587,497.18/10,979.40
  6. Step 6: Final answer
    x = 9,070.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.