Home / 8,347.68-11,519.28-4,810.32

Finding the Fourth Proportional to 8,347.68, 11,519.28 and 4,810.32

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Solution

The fourth proportional to 8,347.68, 11,519.28 and 4,810.32 is: 6,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.68 : 11,519.28 = 4,810.32 : x
  2. Step 2: Convert to fraction form
    8,347.68/11,519.28 = 4,810.32/x
  3. Step 3: Cross multiply
    8,347.68x = 11,519.28 × 4,810.32
  4. Step 4: Simplify right side
    8,347.68x = 55,411,422.97
  5. Step 5: Solve for x
    x = 55,411,422.97/8,347.68
  6. Step 6: Final answer
    x = 6,637.94

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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.