Home / 9,983.28-14,954.87-4,970.55

Finding the Fourth Proportional to 9,983.28, 14,954.87 and 4,970.55

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Solution

The fourth proportional to 9,983.28, 14,954.87 and 4,970.55 is: 7,445.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.28 : 14,954.87 = 4,970.55 : x
  2. Step 2: Convert to fraction form
    9,983.28/14,954.87 = 4,970.55/x
  3. Step 3: Cross multiply
    9,983.28x = 14,954.87 × 4,970.55
  4. Step 4: Simplify right side
    9,983.28x = 74,333,941.50
  5. Step 5: Solve for x
    x = 74,333,941.50/9,983.28
  6. Step 6: Final answer
    x = 7,445.84

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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.