Home / 8,347.32-11,512.65-5,363.46

Finding the Fourth Proportional to 8,347.32, 11,512.65 and 5,363.46

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Solution

The fourth proportional to 8,347.32, 11,512.65 and 5,363.46 is: 7,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.32 : 11,512.65 = 5,363.46 : x
  2. Step 2: Convert to fraction form
    8,347.32/11,512.65 = 5,363.46/x
  3. Step 3: Cross multiply
    8,347.32x = 11,512.65 × 5,363.46
  4. Step 4: Simplify right side
    8,347.32x = 61,747,637.77
  5. Step 5: Solve for x
    x = 61,747,637.77/8,347.32
  6. Step 6: Final answer
    x = 7,397.30

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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.