Home / 6,153.81-8,499.23-4,908.43

Finding the Fourth Proportional to 6,153.81, 8,499.23 and 4,908.43

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Solution

The fourth proportional to 6,153.81, 8,499.23 and 4,908.43 is: 6,779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.81 : 8,499.23 = 4,908.43 : x
  2. Step 2: Convert to fraction form
    6,153.81/8,499.23 = 4,908.43/x
  3. Step 3: Cross multiply
    6,153.81x = 8,499.23 × 4,908.43
  4. Step 4: Simplify right side
    6,153.81x = 41,717,875.51
  5. Step 5: Solve for x
    x = 41,717,875.51/6,153.81
  6. Step 6: Final answer
    x = 6,779.19

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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.