Home / 7,855.13-10,840.10-4,497.99

Finding the Fourth Proportional to 7,855.13, 10,840.10 and 4,497.99

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Solution

The fourth proportional to 7,855.13, 10,840.10 and 4,497.99 is: 6,207.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.13 : 10,840.10 = 4,497.99 : x
  2. Step 2: Convert to fraction form
    7,855.13/10,840.10 = 4,497.99/x
  3. Step 3: Cross multiply
    7,855.13x = 10,840.10 × 4,497.99
  4. Step 4: Simplify right side
    7,855.13x = 48,758,661.40
  5. Step 5: Solve for x
    x = 48,758,661.40/7,855.13
  6. Step 6: Final answer
    x = 6,207.24

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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.