Home / 9,512.02-13,128.12-5,975.74

Finding the Fourth Proportional to 9,512.02, 13,128.12 and 5,975.74

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Solution

The fourth proportional to 9,512.02, 13,128.12 and 5,975.74 is: 8,247.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,512.02 : 13,128.12 = 5,975.74 : x
  2. Step 2: Convert to fraction form
    9,512.02/13,128.12 = 5,975.74/x
  3. Step 3: Cross multiply
    9,512.02x = 13,128.12 × 5,975.74
  4. Step 4: Simplify right side
    9,512.02x = 78,450,231.81
  5. Step 5: Solve for x
    x = 78,450,231.81/9,512.02
  6. Step 6: Final answer
    x = 8,247.48

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Half scale
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Double scale
Find fourth proportional to 9,513.02, 13,129.50 and 5,976.74
Similar ratio
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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.