Home / 6,870.24-10,345.44-4,935.84

Finding the Fourth Proportional to 6,870.24, 10,345.44 and 4,935.84

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Solution

The fourth proportional to 6,870.24, 10,345.44 and 4,935.84 is: 7,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.24 : 10,345.44 = 4,935.84 : x
  2. Step 2: Convert to fraction form
    6,870.24/10,345.44 = 4,935.84/x
  3. Step 3: Cross multiply
    6,870.24x = 10,345.44 × 4,935.84
  4. Step 4: Simplify right side
    6,870.24x = 51,063,436.57
  5. Step 5: Solve for x
    x = 51,063,436.57/6,870.24
  6. Step 6: Final answer
    x = 7,432.55

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Half scale
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Double scale
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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.