Home / 7,185.60-10,761.12-4,870.08

Finding the Fourth Proportional to 7,185.60, 10,761.12 and 4,870.08

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Solution

The fourth proportional to 7,185.60, 10,761.12 and 4,870.08 is: 7,293.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.60 : 10,761.12 = 4,870.08 : x
  2. Step 2: Convert to fraction form
    7,185.60/10,761.12 = 4,870.08/x
  3. Step 3: Cross multiply
    7,185.60x = 10,761.12 × 4,870.08
  4. Step 4: Simplify right side
    7,185.60x = 52,407,515.29
  5. Step 5: Solve for x
    x = 52,407,515.29/7,185.60
  6. Step 6: Final answer
    x = 7,293.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.