Home / 9,323.44-12,866.28-5,131.60

Finding the Fourth Proportional to 9,323.44, 12,866.28 and 5,131.60

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Solution

The fourth proportional to 9,323.44, 12,866.28 and 5,131.60 is: 7,081.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.44 : 12,866.28 = 5,131.60 : x
  2. Step 2: Convert to fraction form
    9,323.44/12,866.28 = 5,131.60/x
  3. Step 3: Cross multiply
    9,323.44x = 12,866.28 × 5,131.60
  4. Step 4: Simplify right side
    9,323.44x = 66,024,602.45
  5. Step 5: Solve for x
    x = 66,024,602.45/9,323.44
  6. Step 6: Final answer
    x = 7,081.57

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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.