Home / 9,117.90-12,574.35-5,975.82

Finding the Fourth Proportional to 9,117.90, 12,574.35 and 5,975.82

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Solution

The fourth proportional to 9,117.90, 12,574.35 and 5,975.82 is: 8,241.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.90 : 12,574.35 = 5,975.82 : x
  2. Step 2: Convert to fraction form
    9,117.90/12,574.35 = 5,975.82/x
  3. Step 3: Cross multiply
    9,117.90x = 12,574.35 × 5,975.82
  4. Step 4: Simplify right side
    9,117.90x = 75,142,052.22
  5. Step 5: Solve for x
    x = 75,142,052.22/9,117.90
  6. Step 6: Final answer
    x = 8,241.16

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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.