Home / 10,883.19-14,920.99-10,686.36

Finding the Fourth Proportional to 10,883.19, 14,920.99 and 10,686.36

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Solution

The fourth proportional to 10,883.19, 14,920.99 and 10,686.36 is: 14,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.19 : 14,920.99 = 10,686.36 : x
  2. Step 2: Convert to fraction form
    10,883.19/14,920.99 = 10,686.36/x
  3. Step 3: Cross multiply
    10,883.19x = 14,920.99 × 10,686.36
  4. Step 4: Simplify right side
    10,883.19x = 159,451,070.70
  5. Step 5: Solve for x
    x = 159,451,070.70/10,883.19
  6. Step 6: Final answer
    x = 14,651.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.