Home / 7,140.67-10,698.85-5,050.45

Finding the Fourth Proportional to 7,140.67, 10,698.85 and 5,050.45

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Solution

The fourth proportional to 7,140.67, 10,698.85 and 5,050.45 is: 7,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140.67 : 10,698.85 = 5,050.45 : x
  2. Step 2: Convert to fraction form
    7,140.67/10,698.85 = 5,050.45/x
  3. Step 3: Cross multiply
    7,140.67x = 10,698.85 × 5,050.45
  4. Step 4: Simplify right side
    7,140.67x = 54,034,006.98
  5. Step 5: Solve for x
    x = 54,034,006.98/7,140.67
  6. Step 6: Final answer
    x = 7,567.08

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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.