Home / 10,673.30-14,730.15-7,979.85

Finding the Fourth Proportional to 10,673.30, 14,730.15 and 7,979.85

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Solution

The fourth proportional to 10,673.30, 14,730.15 and 7,979.85 is: 11,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,673.30 : 14,730.15 = 7,979.85 : x
  2. Step 2: Convert to fraction form
    10,673.30/14,730.15 = 7,979.85/x
  3. Step 3: Cross multiply
    10,673.30x = 14,730.15 × 7,979.85
  4. Step 4: Simplify right side
    10,673.30x = 117,544,417.40
  5. Step 5: Solve for x
    x = 117,544,417.40/10,673.30
  6. Step 6: Final answer
    x = 11,012.94

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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.