Home / 7,242.09-10,876.47-4,338.24

Finding the Fourth Proportional to 7,242.09, 10,876.47 and 4,338.24

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Solution

The fourth proportional to 7,242.09, 10,876.47 and 4,338.24 is: 6,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.09 : 10,876.47 = 4,338.24 : x
  2. Step 2: Convert to fraction form
    7,242.09/10,876.47 = 4,338.24/x
  3. Step 3: Cross multiply
    7,242.09x = 10,876.47 × 4,338.24
  4. Step 4: Simplify right side
    7,242.09x = 47,184,737.21
  5. Step 5: Solve for x
    x = 47,184,737.21/7,242.09
  6. Step 6: Final answer
    x = 6,515.35

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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.