Home / 8,852.36-12,215.78-5,075.34

Finding the Fourth Proportional to 8,852.36, 12,215.78 and 5,075.34

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Solution

The fourth proportional to 8,852.36, 12,215.78 and 5,075.34 is: 7,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.36 : 12,215.78 = 5,075.34 : x
  2. Step 2: Convert to fraction form
    8,852.36/12,215.78 = 5,075.34/x
  3. Step 3: Cross multiply
    8,852.36x = 12,215.78 × 5,075.34
  4. Step 4: Simplify right side
    8,852.36x = 61,999,230.52
  5. Step 5: Solve for x
    x = 61,999,230.52/8,852.36
  6. Step 6: Final answer
    x = 7,003.70

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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.