Home / 9,541.40-13,171.68-6,359.99

Finding the Fourth Proportional to 9,541.40, 13,171.68 and 6,359.99

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Solution

The fourth proportional to 9,541.40, 13,171.68 and 6,359.99 is: 8,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,541.40 : 13,171.68 = 6,359.99 : x
  2. Step 2: Convert to fraction form
    9,541.40/13,171.68 = 6,359.99/x
  3. Step 3: Cross multiply
    9,541.40x = 13,171.68 × 6,359.99
  4. Step 4: Simplify right side
    9,541.40x = 83,771,687.22
  5. Step 5: Solve for x
    x = 83,771,687.22/9,541.40
  6. Step 6: Final answer
    x = 8,779.82

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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.