Home / 7,465.07-11,173.00-4,128.19

Finding the Fourth Proportional to 7,465.07, 11,173.00 and 4,128.19

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Solution

The fourth proportional to 7,465.07, 11,173.00 and 4,128.19 is: 6,178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,465.07 : 11,173.00 = 4,128.19 : x
  2. Step 2: Convert to fraction form
    7,465.07/11,173.00 = 4,128.19/x
  3. Step 3: Cross multiply
    7,465.07x = 11,173.00 × 4,128.19
  4. Step 4: Simplify right side
    7,465.07x = 46,124,228.62
  5. Step 5: Solve for x
    x = 46,124,228.62/7,465.07
  6. Step 6: Final answer
    x = 6,178.67

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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.