Home / 7,710.24-11,607.38-5,260.49

Finding the Fourth Proportional to 7,710.24, 11,607.38 and 5,260.49

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Solution

The fourth proportional to 7,710.24, 11,607.38 and 5,260.49 is: 7,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.24 : 11,607.38 = 5,260.49 : x
  2. Step 2: Convert to fraction form
    7,710.24/11,607.38 = 5,260.49/x
  3. Step 3: Cross multiply
    7,710.24x = 11,607.38 × 5,260.49
  4. Step 4: Simplify right side
    7,710.24x = 61,060,506.42
  5. Step 5: Solve for x
    x = 61,060,506.42/7,710.24
  6. Step 6: Final answer
    x = 7,919.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.