Home / 8,759.04-12,087.48-4,780.08

Finding the Fourth Proportional to 8,759.04, 12,087.48 and 4,780.08

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Solution

The fourth proportional to 8,759.04, 12,087.48 and 4,780.08 is: 6,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.04 : 12,087.48 = 4,780.08 : x
  2. Step 2: Convert to fraction form
    8,759.04/12,087.48 = 4,780.08/x
  3. Step 3: Cross multiply
    8,759.04x = 12,087.48 × 4,780.08
  4. Step 4: Simplify right side
    8,759.04x = 57,779,121.40
  5. Step 5: Solve for x
    x = 57,779,121.40/8,759.04
  6. Step 6: Final answer
    x = 6,596.51

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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.