Home / 10,617.58-14,652.54-6,142.72

Finding the Fourth Proportional to 10,617.58, 14,652.54 and 6,142.72

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Solution

The fourth proportional to 10,617.58, 14,652.54 and 6,142.72 is: 8,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.58 : 14,652.54 = 6,142.72 : x
  2. Step 2: Convert to fraction form
    10,617.58/14,652.54 = 6,142.72/x
  3. Step 3: Cross multiply
    10,617.58x = 14,652.54 × 6,142.72
  4. Step 4: Simplify right side
    10,617.58x = 90,006,450.51
  5. Step 5: Solve for x
    x = 90,006,450.51/10,617.58
  6. Step 6: Final answer
    x = 8,477.12

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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.