Home / 10,816.63-14,928.56-6,627.31

Finding the Fourth Proportional to 10,816.63, 14,928.56 and 6,627.31

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Solution

The fourth proportional to 10,816.63, 14,928.56 and 6,627.31 is: 9,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.63 : 14,928.56 = 6,627.31 : x
  2. Step 2: Convert to fraction form
    10,816.63/14,928.56 = 6,627.31/x
  3. Step 3: Cross multiply
    10,816.63x = 14,928.56 × 6,627.31
  4. Step 4: Simplify right side
    10,816.63x = 98,936,136.90
  5. Step 5: Solve for x
    x = 98,936,136.90/10,816.63
  6. Step 6: Final answer
    x = 9,146.67

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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.