Home / 11,152.16-15,389.64-6,116.12

Finding the Fourth Proportional to 11,152.16, 15,389.64 and 6,116.12

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Solution

The fourth proportional to 11,152.16, 15,389.64 and 6,116.12 is: 8,440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.16 : 15,389.64 = 6,116.12 : x
  2. Step 2: Convert to fraction form
    11,152.16/15,389.64 = 6,116.12/x
  3. Step 3: Cross multiply
    11,152.16x = 15,389.64 × 6,116.12
  4. Step 4: Simplify right side
    11,152.16x = 94,124,885.00
  5. Step 5: Solve for x
    x = 94,124,885.00/11,152.16
  6. Step 6: Final answer
    x = 8,440.06

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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.