Home / 8,055.81-11,091.77-7,317.71

Finding the Fourth Proportional to 8,055.81, 11,091.77 and 7,317.71

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Solution

The fourth proportional to 8,055.81, 11,091.77 and 7,317.71 is: 10,075.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.81 : 11,091.77 = 7,317.71 : x
  2. Step 2: Convert to fraction form
    8,055.81/11,091.77 = 7,317.71/x
  3. Step 3: Cross multiply
    8,055.81x = 11,091.77 × 7,317.71
  4. Step 4: Simplify right side
    8,055.81x = 81,166,264.20
  5. Step 5: Solve for x
    x = 81,166,264.20/8,055.81
  6. Step 6: Final answer
    x = 10,075.49

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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.