Home / 10,538.13-14,542.74-5,822.40

Finding the Fourth Proportional to 10,538.13, 14,542.74 and 5,822.40

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Solution

The fourth proportional to 10,538.13, 14,542.74 and 5,822.40 is: 8,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.13 : 14,542.74 = 5,822.40 : x
  2. Step 2: Convert to fraction form
    10,538.13/14,542.74 = 5,822.40/x
  3. Step 3: Cross multiply
    10,538.13x = 14,542.74 × 5,822.40
  4. Step 4: Simplify right side
    10,538.13x = 84,673,649.38
  5. Step 5: Solve for x
    x = 84,673,649.38/10,538.13
  6. Step 6: Final answer
    x = 8,034.98

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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.