Home / 11,202.61-15,457.12-6,484.16

Finding the Fourth Proportional to 11,202.61, 15,457.12 and 6,484.16

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Solution

The fourth proportional to 11,202.61, 15,457.12 and 6,484.16 is: 8,946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,202.61 : 15,457.12 = 6,484.16 : x
  2. Step 2: Convert to fraction form
    11,202.61/15,457.12 = 6,484.16/x
  3. Step 3: Cross multiply
    11,202.61x = 15,457.12 × 6,484.16
  4. Step 4: Simplify right side
    11,202.61x = 100,226,439.22
  5. Step 5: Solve for x
    x = 100,226,439.22/11,202.61
  6. Step 6: Final answer
    x = 8,946.70

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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.