Home / 7,050.90-9,718.95-5,556.34

Finding the Fourth Proportional to 7,050.90, 9,718.95 and 5,556.34

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Solution

The fourth proportional to 7,050.90, 9,718.95 and 5,556.34 is: 7,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.90 : 9,718.95 = 5,556.34 : x
  2. Step 2: Convert to fraction form
    7,050.90/9,718.95 = 5,556.34/x
  3. Step 3: Cross multiply
    7,050.90x = 9,718.95 × 5,556.34
  4. Step 4: Simplify right side
    7,050.90x = 54,001,790.64
  5. Step 5: Solve for x
    x = 54,001,790.64/7,050.90
  6. Step 6: Final answer
    x = 7,658.85

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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.