Home / 7,411.99-10,228.81-4,055.05

Finding the Fourth Proportional to 7,411.99, 10,228.81 and 4,055.05

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Solution

The fourth proportional to 7,411.99, 10,228.81 and 4,055.05 is: 5,596.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.99 : 10,228.81 = 4,055.05 : x
  2. Step 2: Convert to fraction form
    7,411.99/10,228.81 = 4,055.05/x
  3. Step 3: Cross multiply
    7,411.99x = 10,228.81 × 4,055.05
  4. Step 4: Simplify right side
    7,411.99x = 41,478,335.99
  5. Step 5: Solve for x
    x = 41,478,335.99/7,411.99
  6. Step 6: Final answer
    x = 5,596.11

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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.