Home / 10,173.10-14,038.87-5,697.90

Finding the Fourth Proportional to 10,173.10, 14,038.87 and 5,697.90

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Solution

The fourth proportional to 10,173.10, 14,038.87 and 5,697.90 is: 7,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.10 : 14,038.87 = 5,697.90 : x
  2. Step 2: Convert to fraction form
    10,173.10/14,038.87 = 5,697.90/x
  3. Step 3: Cross multiply
    10,173.10x = 14,038.87 × 5,697.90
  4. Step 4: Simplify right side
    10,173.10x = 79,992,077.37
  5. Step 5: Solve for x
    x = 79,992,077.37/10,173.10
  6. Step 6: Final answer
    x = 7,863.10

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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.