Home / 11,445.62-15,796.35-6,970.02

Finding the Fourth Proportional to 11,445.62, 15,796.35 and 6,970.02

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Solution

The fourth proportional to 11,445.62, 15,796.35 and 6,970.02 is: 9,619.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.62 : 15,796.35 = 6,970.02 : x
  2. Step 2: Convert to fraction form
    11,445.62/15,796.35 = 6,970.02/x
  3. Step 3: Cross multiply
    11,445.62x = 15,796.35 × 6,970.02
  4. Step 4: Simplify right side
    11,445.62x = 110,100,816.19
  5. Step 5: Solve for x
    x = 110,100,816.19/11,445.62
  6. Step 6: Final answer
    x = 9,619.48

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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.