Home / 10,725.75-16,069.86-7,440.93

Finding the Fourth Proportional to 10,725.75, 16,069.86 and 7,440.93

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Solution

The fourth proportional to 10,725.75, 16,069.86 and 7,440.93 is: 11,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.75 : 16,069.86 = 7,440.93 : x
  2. Step 2: Convert to fraction form
    10,725.75/16,069.86 = 7,440.93/x
  3. Step 3: Cross multiply
    10,725.75x = 16,069.86 × 7,440.93
  4. Step 4: Simplify right side
    10,725.75x = 119,574,703.37
  5. Step 5: Solve for x
    x = 119,574,703.37/10,725.75
  6. Step 6: Final answer
    x = 11,148.38

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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.