Home / 8,254.13-11,390.69-4,528.13

Finding the Fourth Proportional to 8,254.13, 11,390.69 and 4,528.13

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Solution

The fourth proportional to 8,254.13, 11,390.69 and 4,528.13 is: 6,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.13 : 11,390.69 = 4,528.13 : x
  2. Step 2: Convert to fraction form
    8,254.13/11,390.69 = 4,528.13/x
  3. Step 3: Cross multiply
    8,254.13x = 11,390.69 × 4,528.13
  4. Step 4: Simplify right side
    8,254.13x = 51,578,479.48
  5. Step 5: Solve for x
    x = 51,578,479.48/8,254.13
  6. Step 6: Final answer
    x = 6,248.81

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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.