Home / 10,892.87-16,347.06-4,970.55

Finding the Fourth Proportional to 10,892.87, 16,347.06 and 4,970.55

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Solution

The fourth proportional to 10,892.87, 16,347.06 and 4,970.55 is: 7,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.87 : 16,347.06 = 4,970.55 : x
  2. Step 2: Convert to fraction form
    10,892.87/16,347.06 = 4,970.55/x
  3. Step 3: Cross multiply
    10,892.87x = 16,347.06 × 4,970.55
  4. Step 4: Simplify right side
    10,892.87x = 81,253,879.08
  5. Step 5: Solve for x
    x = 81,253,879.08/10,892.87
  6. Step 6: Final answer
    x = 7,459.37

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1.5x scale

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.