Home / 7,259.20-10,888.80-6,894.70

Finding the Fourth Proportional to 7,259.20, 10,888.80 and 6,894.70

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Solution

The fourth proportional to 7,259.20, 10,888.80 and 6,894.70 is: 10,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.20 : 10,888.80 = 6,894.70 : x
  2. Step 2: Convert to fraction form
    7,259.20/10,888.80 = 6,894.70/x
  3. Step 3: Cross multiply
    7,259.20x = 10,888.80 × 6,894.70
  4. Step 4: Simplify right side
    7,259.20x = 75,075,009.36
  5. Step 5: Solve for x
    x = 75,075,009.36/7,259.20
  6. Step 6: Final answer
    x = 10,342.05

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Similar ratio
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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.