Home / 10,980.56-15,150.96-6,263.96

Finding the Fourth Proportional to 10,980.56, 15,150.96 and 6,263.96

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Solution

The fourth proportional to 10,980.56, 15,150.96 and 6,263.96 is: 8,643.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.56 : 15,150.96 = 6,263.96 : x
  2. Step 2: Convert to fraction form
    10,980.56/15,150.96 = 6,263.96/x
  3. Step 3: Cross multiply
    10,980.56x = 15,150.96 × 6,263.96
  4. Step 4: Simplify right side
    10,980.56x = 94,905,007.40
  5. Step 5: Solve for x
    x = 94,905,007.40/10,980.56
  6. Step 6: Final answer
    x = 8,643.00

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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.