Home / 6,784.13-9,355.51-5,291.50

Finding the Fourth Proportional to 6,784.13, 9,355.51 and 5,291.50

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Solution

The fourth proportional to 6,784.13, 9,355.51 and 5,291.50 is: 7,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784.13 : 9,355.51 = 5,291.50 : x
  2. Step 2: Convert to fraction form
    6,784.13/9,355.51 = 5,291.50/x
  3. Step 3: Cross multiply
    6,784.13x = 9,355.51 × 5,291.50
  4. Step 4: Simplify right side
    6,784.13x = 49,504,681.17
  5. Step 5: Solve for x
    x = 49,504,681.17/6,784.13
  6. Step 6: Final answer
    x = 7,297.13

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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.