Home / 10,669.99-14,719.81-6,191.14

Finding the Fourth Proportional to 10,669.99, 14,719.81 and 6,191.14

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Solution

The fourth proportional to 10,669.99, 14,719.81 and 6,191.14 is: 8,541.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.99 : 14,719.81 = 6,191.14 : x
  2. Step 2: Convert to fraction form
    10,669.99/14,719.81 = 6,191.14/x
  3. Step 3: Cross multiply
    10,669.99x = 14,719.81 × 6,191.14
  4. Step 4: Simplify right side
    10,669.99x = 91,132,404.48
  5. Step 5: Solve for x
    x = 91,132,404.48/10,669.99
  6. Step 6: Final answer
    x = 8,541.00

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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.