Home / 8,113.14-11,197.94-5,275.60

Finding the Fourth Proportional to 8,113.14, 11,197.94 and 5,275.60

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Solution

The fourth proportional to 8,113.14, 11,197.94 and 5,275.60 is: 7,281.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.14 : 11,197.94 = 5,275.60 : x
  2. Step 2: Convert to fraction form
    8,113.14/11,197.94 = 5,275.60/x
  3. Step 3: Cross multiply
    8,113.14x = 11,197.94 × 5,275.60
  4. Step 4: Simplify right side
    8,113.14x = 59,075,852.26
  5. Step 5: Solve for x
    x = 59,075,852.26/8,113.14
  6. Step 6: Final answer
    x = 7,281.50

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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.