Home / 6,973.53-9,623.93-3,989.76

Finding the Fourth Proportional to 6,973.53, 9,623.93 and 3,989.76

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Solution

The fourth proportional to 6,973.53, 9,623.93 and 3,989.76 is: 5,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,973.53 : 9,623.93 = 3,989.76 : x
  2. Step 2: Convert to fraction form
    6,973.53/9,623.93 = 3,989.76/x
  3. Step 3: Cross multiply
    6,973.53x = 9,623.93 × 3,989.76
  4. Step 4: Simplify right side
    6,973.53x = 38,397,151.01
  5. Step 5: Solve for x
    x = 38,397,151.01/6,973.53
  6. Step 6: Final answer
    x = 5,506.13

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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.