Home / 9,148.84-12,626.04-5,170.32

Finding the Fourth Proportional to 9,148.84, 12,626.04 and 5,170.32

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Solution

The fourth proportional to 9,148.84, 12,626.04 and 5,170.32 is: 7,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.84 : 12,626.04 = 5,170.32 : x
  2. Step 2: Convert to fraction form
    9,148.84/12,626.04 = 5,170.32/x
  3. Step 3: Cross multiply
    9,148.84x = 12,626.04 × 5,170.32
  4. Step 4: Simplify right side
    9,148.84x = 65,280,667.13
  5. Step 5: Solve for x
    x = 65,280,667.13/9,148.84
  6. Step 6: Final answer
    x = 7,135.40

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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.