Home / 10,301.18-15,507.45-9,382.64

Finding the Fourth Proportional to 10,301.18, 15,507.45 and 9,382.64

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Solution

The fourth proportional to 10,301.18, 15,507.45 and 9,382.64 is: 14,124.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,301.18 : 15,507.45 = 9,382.64 : x
  2. Step 2: Convert to fraction form
    10,301.18/15,507.45 = 9,382.64/x
  3. Step 3: Cross multiply
    10,301.18x = 15,507.45 × 9,382.64
  4. Step 4: Simplify right side
    10,301.18x = 145,500,743.13
  5. Step 5: Solve for x
    x = 145,500,743.13/10,301.18
  6. Step 6: Final answer
    x = 14,124.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.