Home / 11,075.04-15,284.40-6,360.84

Finding the Fourth Proportional to 11,075.04, 15,284.40 and 6,360.84

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Solution

The fourth proportional to 11,075.04, 15,284.40 and 6,360.84 is: 8,778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.04 : 15,284.40 = 6,360.84 : x
  2. Step 2: Convert to fraction form
    11,075.04/15,284.40 = 6,360.84/x
  3. Step 3: Cross multiply
    11,075.04x = 15,284.40 × 6,360.84
  4. Step 4: Simplify right side
    11,075.04x = 97,221,622.90
  5. Step 5: Solve for x
    x = 97,221,622.90/11,075.04
  6. Step 6: Final answer
    x = 8,778.44

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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.