Home / 10,894.47-16,347.22-4,970.70

Finding the Fourth Proportional to 10,894.47, 16,347.22 and 4,970.70

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Solution

The fourth proportional to 10,894.47, 16,347.22 and 4,970.70 is: 7,458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.47 : 16,347.22 = 4,970.70 : x
  2. Step 2: Convert to fraction form
    10,894.47/16,347.22 = 4,970.70/x
  3. Step 3: Cross multiply
    10,894.47x = 16,347.22 × 4,970.70
  4. Step 4: Simplify right side
    10,894.47x = 81,257,114.03
  5. Step 5: Solve for x
    x = 81,257,114.03/10,894.47
  6. Step 6: Final answer
    x = 7,458.57

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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.