Home / 7,323.90-10,123.59-6,742.64

Finding the Fourth Proportional to 7,323.90, 10,123.59 and 6,742.64

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Solution

The fourth proportional to 7,323.90, 10,123.59 and 6,742.64 is: 9,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.90 : 10,123.59 = 6,742.64 : x
  2. Step 2: Convert to fraction form
    7,323.90/10,123.59 = 6,742.64/x
  3. Step 3: Cross multiply
    7,323.90x = 10,123.59 × 6,742.64
  4. Step 4: Simplify right side
    7,323.90x = 68,259,672.26
  5. Step 5: Solve for x
    x = 68,259,672.26/7,323.90
  6. Step 6: Final answer
    x = 9,320.13

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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.