Home / 7,072.74-9,756.45-6,572.16

Finding the Fourth Proportional to 7,072.74, 9,756.45 and 6,572.16

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Solution

The fourth proportional to 7,072.74, 9,756.45 and 6,572.16 is: 9,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.74 : 9,756.45 = 6,572.16 : x
  2. Step 2: Convert to fraction form
    7,072.74/9,756.45 = 6,572.16/x
  3. Step 3: Cross multiply
    7,072.74x = 9,756.45 × 6,572.16
  4. Step 4: Simplify right side
    7,072.74x = 64,120,950.43
  5. Step 5: Solve for x
    x = 64,120,950.43/7,072.74
  6. Step 6: Final answer
    x = 9,065.93

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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.