Home / 10,412.08-15,623.48-5,735.81

Finding the Fourth Proportional to 10,412.08, 15,623.48 and 5,735.81

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Solution

The fourth proportional to 10,412.08, 15,623.48 and 5,735.81 is: 8,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.08 : 15,623.48 = 5,735.81 : x
  2. Step 2: Convert to fraction form
    10,412.08/15,623.48 = 5,735.81/x
  3. Step 3: Cross multiply
    10,412.08x = 15,623.48 × 5,735.81
  4. Step 4: Simplify right side
    10,412.08x = 89,613,366.22
  5. Step 5: Solve for x
    x = 89,613,366.22/10,412.08
  6. Step 6: Final answer
    x = 8,606.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.