Home / 7,752.14-10,697.65-4,215.35

Finding the Fourth Proportional to 7,752.14, 10,697.65 and 4,215.35

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Solution

The fourth proportional to 7,752.14, 10,697.65 and 4,215.35 is: 5,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.14 : 10,697.65 = 4,215.35 : x
  2. Step 2: Convert to fraction form
    7,752.14/10,697.65 = 4,215.35/x
  3. Step 3: Cross multiply
    7,752.14x = 10,697.65 × 4,215.35
  4. Step 4: Simplify right side
    7,752.14x = 45,094,338.93
  5. Step 5: Solve for x
    x = 45,094,338.93/7,752.14
  6. Step 6: Final answer
    x = 5,817.02

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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.