Home / 8,302.79-11,455.40-4,943.93

Finding the Fourth Proportional to 8,302.79, 11,455.40 and 4,943.93

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Solution

The fourth proportional to 8,302.79, 11,455.40 and 4,943.93 is: 6,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.79 : 11,455.40 = 4,943.93 : x
  2. Step 2: Convert to fraction form
    8,302.79/11,455.40 = 4,943.93/x
  3. Step 3: Cross multiply
    8,302.79x = 11,455.40 × 4,943.93
  4. Step 4: Simplify right side
    8,302.79x = 56,634,650.80
  5. Step 5: Solve for x
    x = 56,634,650.80/8,302.79
  6. Step 6: Final answer
    x = 6,821.16

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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.