Home / 10,372.16-14,313.84-6,395.87

Finding the Fourth Proportional to 10,372.16, 14,313.84 and 6,395.87

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Solution

The fourth proportional to 10,372.16, 14,313.84 and 6,395.87 is: 8,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.16 : 14,313.84 = 6,395.87 : x
  2. Step 2: Convert to fraction form
    10,372.16/14,313.84 = 6,395.87/x
  3. Step 3: Cross multiply
    10,372.16x = 14,313.84 × 6,395.87
  4. Step 4: Simplify right side
    10,372.16x = 91,549,459.84
  5. Step 5: Solve for x
    x = 91,549,459.84/10,372.16
  6. Step 6: Final answer
    x = 8,826.46

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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.