Home / 7,415.04-10,232.72-4,272.24

Finding the Fourth Proportional to 7,415.04, 10,232.72 and 4,272.24

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Solution

The fourth proportional to 7,415.04, 10,232.72 and 4,272.24 is: 5,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.04 : 10,232.72 = 4,272.24 : x
  2. Step 2: Convert to fraction form
    7,415.04/10,232.72 = 4,272.24/x
  3. Step 3: Cross multiply
    7,415.04x = 10,232.72 × 4,272.24
  4. Step 4: Simplify right side
    7,415.04x = 43,716,635.69
  5. Step 5: Solve for x
    x = 43,716,635.69/7,415.04
  6. Step 6: Final answer
    x = 5,895.67

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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.