Home / 7,455.99-10,289.49-4,098.63

Finding the Fourth Proportional to 7,455.99, 10,289.49 and 4,098.63

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Solution

The fourth proportional to 7,455.99, 10,289.49 and 4,098.63 is: 5,656.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.99 : 10,289.49 = 4,098.63 : x
  2. Step 2: Convert to fraction form
    7,455.99/10,289.49 = 4,098.63/x
  3. Step 3: Cross multiply
    7,455.99x = 10,289.49 × 4,098.63
  4. Step 4: Simplify right side
    7,455.99x = 42,172,812.40
  5. Step 5: Solve for x
    x = 42,172,812.40/7,455.99
  6. Step 6: Final answer
    x = 5,656.23

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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.