Home / 10,934.19-15,090.30-6,218.37

Finding the Fourth Proportional to 10,934.19, 15,090.30 and 6,218.37

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Solution

The fourth proportional to 10,934.19, 15,090.30 and 6,218.37 is: 8,581.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.19 : 15,090.30 = 6,218.37 : x
  2. Step 2: Convert to fraction form
    10,934.19/15,090.30 = 6,218.37/x
  3. Step 3: Cross multiply
    10,934.19x = 15,090.30 × 6,218.37
  4. Step 4: Simplify right side
    10,934.19x = 93,837,068.81
  5. Step 5: Solve for x
    x = 93,837,068.81/10,934.19
  6. Step 6: Final answer
    x = 8,581.99

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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.