Home / 10,500.38-15,673.76-9,254.86

Finding the Fourth Proportional to 10,500.38, 15,673.76 and 9,254.86

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Solution

The fourth proportional to 10,500.38, 15,673.76 and 9,254.86 is: 13,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.38 : 15,673.76 = 9,254.86 : x
  2. Step 2: Convert to fraction form
    10,500.38/15,673.76 = 9,254.86/x
  3. Step 3: Cross multiply
    10,500.38x = 15,673.76 × 9,254.86
  4. Step 4: Simplify right side
    10,500.38x = 145,058,403.72
  5. Step 5: Solve for x
    x = 145,058,403.72/10,500.38
  6. Step 6: Final answer
    x = 13,814.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.