Home / 12,088.18-16,680.09-7,051.78

Finding the Fourth Proportional to 12,088.18, 16,680.09 and 7,051.78

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Solution

The fourth proportional to 12,088.18, 16,680.09 and 7,051.78 is: 9,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.18 : 16,680.09 = 7,051.78 : x
  2. Step 2: Convert to fraction form
    12,088.18/16,680.09 = 7,051.78/x
  3. Step 3: Cross multiply
    12,088.18x = 16,680.09 × 7,051.78
  4. Step 4: Simplify right side
    12,088.18x = 117,624,325.06
  5. Step 5: Solve for x
    x = 117,624,325.06/12,088.18
  6. Step 6: Final answer
    x = 9,730.52

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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.