Home / 10,943.81-16,415.57-5,019.01

Finding the Fourth Proportional to 10,943.81, 16,415.57 and 5,019.01

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Solution

The fourth proportional to 10,943.81, 16,415.57 and 5,019.01 is: 7,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.81 : 16,415.57 = 5,019.01 : x
  2. Step 2: Convert to fraction form
    10,943.81/16,415.57 = 5,019.01/x
  3. Step 3: Cross multiply
    10,943.81x = 16,415.57 × 5,019.01
  4. Step 4: Simplify right side
    10,943.81x = 82,389,909.99
  5. Step 5: Solve for x
    x = 82,389,909.99/10,943.81
  6. Step 6: Final answer
    x = 7,528.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.