Home / 9,162.07-12,643.65-5,183.10

Finding the Fourth Proportional to 9,162.07, 12,643.65 and 5,183.10

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Solution

The fourth proportional to 9,162.07, 12,643.65 and 5,183.10 is: 7,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.07 : 12,643.65 = 5,183.10 : x
  2. Step 2: Convert to fraction form
    9,162.07/12,643.65 = 5,183.10/x
  3. Step 3: Cross multiply
    9,162.07x = 12,643.65 × 5,183.10
  4. Step 4: Simplify right side
    9,162.07x = 65,533,302.32
  5. Step 5: Solve for x
    x = 65,533,302.32/9,162.07
  6. Step 6: Final answer
    x = 7,152.67

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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.