Home / 10,261.12-14,156.64-6,484.56

Finding the Fourth Proportional to 10,261.12, 14,156.64 and 6,484.56

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Solution

The fourth proportional to 10,261.12, 14,156.64 and 6,484.56 is: 8,946.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.12 : 14,156.64 = 6,484.56 : x
  2. Step 2: Convert to fraction form
    10,261.12/14,156.64 = 6,484.56/x
  3. Step 3: Cross multiply
    10,261.12x = 14,156.64 × 6,484.56
  4. Step 4: Simplify right side
    10,261.12x = 91,799,581.48
  5. Step 5: Solve for x
    x = 91,799,581.48/10,261.12
  6. Step 6: Final answer
    x = 8,946.35

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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.