Home / 9,117.40-12,573.64-5,975.32

Finding the Fourth Proportional to 9,117.40, 12,573.64 and 5,975.32

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Solution

The fourth proportional to 9,117.40, 12,573.64 and 5,975.32 is: 8,240.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.40 : 12,573.64 = 5,975.32 : x
  2. Step 2: Convert to fraction form
    9,117.40/12,573.64 = 5,975.32/x
  3. Step 3: Cross multiply
    9,117.40x = 12,573.64 × 5,975.32
  4. Step 4: Simplify right side
    9,117.40x = 75,131,522.56
  5. Step 5: Solve for x
    x = 75,131,522.56/9,117.40
  6. Step 6: Final answer
    x = 8,240.45

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Half scale
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Double scale
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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.