Home / 10,677.86-14,735.66-5,897.78

Finding the Fourth Proportional to 10,677.86, 14,735.66 and 5,897.78

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Solution

The fourth proportional to 10,677.86, 14,735.66 and 5,897.78 is: 8,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,677.86 : 14,735.66 = 5,897.78 : x
  2. Step 2: Convert to fraction form
    10,677.86/14,735.66 = 5,897.78/x
  3. Step 3: Cross multiply
    10,677.86x = 14,735.66 × 5,897.78
  4. Step 4: Simplify right side
    10,677.86x = 86,907,577.67
  5. Step 5: Solve for x
    x = 86,907,577.67/10,677.86
  6. Step 6: Final answer
    x = 8,139.05

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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.