Home / 10,166.85-14,030.52-5,691.36

Finding the Fourth Proportional to 10,166.85, 14,030.52 and 5,691.36

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Solution

The fourth proportional to 10,166.85, 14,030.52 and 5,691.36 is: 7,854.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.85 : 14,030.52 = 5,691.36 : x
  2. Step 2: Convert to fraction form
    10,166.85/14,030.52 = 5,691.36/x
  3. Step 3: Cross multiply
    10,166.85x = 14,030.52 × 5,691.36
  4. Step 4: Simplify right side
    10,166.85x = 79,852,740.31
  5. Step 5: Solve for x
    x = 79,852,740.31/10,166.85
  6. Step 6: Final answer
    x = 7,854.23

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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.