Home / 10,021.32-13,827.51-6,484.05

Finding the Fourth Proportional to 10,021.32, 13,827.51 and 6,484.05

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Solution

The fourth proportional to 10,021.32, 13,827.51 and 6,484.05 is: 8,946.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.32 : 13,827.51 = 6,484.05 : x
  2. Step 2: Convert to fraction form
    10,021.32/13,827.51 = 6,484.05/x
  3. Step 3: Cross multiply
    10,021.32x = 13,827.51 × 6,484.05
  4. Step 4: Simplify right side
    10,021.32x = 89,658,266.22
  5. Step 5: Solve for x
    x = 89,658,266.22/10,021.32
  6. Step 6: Final answer
    x = 8,946.75

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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.