Home / 10,820.16-14,931-6,104.88

Finding the Fourth Proportional to 10,820.16, 14,931 and 6,104.88

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Solution

The fourth proportional to 10,820.16, 14,931 and 6,104.88 is: 8,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.16 : 14,931 = 6,104.88 : x
  2. Step 2: Convert to fraction form
    10,820.16/14,931 = 6,104.88/x
  3. Step 3: Cross multiply
    10,820.16x = 14,931 × 6,104.88
  4. Step 4: Simplify right side
    10,820.16x = 91,151,963.28
  5. Step 5: Solve for x
    x = 91,151,963.28/10,820.16
  6. Step 6: Final answer
    x = 8,424.27

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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.