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Finding the Fourth Proportional to 7,858.86, 10,846.02 and 4,502.76

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Solution

The fourth proportional to 7,858.86, 10,846.02 and 4,502.76 is: 6,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.86 : 10,846.02 = 4,502.76 : x
  2. Step 2: Convert to fraction form
    7,858.86/10,846.02 = 4,502.76/x
  3. Step 3: Cross multiply
    7,858.86x = 10,846.02 × 4,502.76
  4. Step 4: Simplify right side
    7,858.86x = 48,837,025.02
  5. Step 5: Solve for x
    x = 48,837,025.02/7,858.86
  6. Step 6: Final answer
    x = 6,214.26

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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.