Home / 8,907.48-12,292.86-5,370.84

Finding the Fourth Proportional to 8,907.48, 12,292.86 and 5,370.84

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Solution

The fourth proportional to 8,907.48, 12,292.86 and 5,370.84 is: 7,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.48 : 12,292.86 = 5,370.84 : x
  2. Step 2: Convert to fraction form
    8,907.48/12,292.86 = 5,370.84/x
  3. Step 3: Cross multiply
    8,907.48x = 12,292.86 × 5,370.84
  4. Step 4: Simplify right side
    8,907.48x = 66,022,984.20
  5. Step 5: Solve for x
    x = 66,022,984.20/8,907.48
  6. Step 6: Final answer
    x = 7,412.08

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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.