Home / 11,612.48-16,024.61-6,307.28

Finding the Fourth Proportional to 11,612.48, 16,024.61 and 6,307.28

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Solution

The fourth proportional to 11,612.48, 16,024.61 and 6,307.28 is: 8,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.48 : 16,024.61 = 6,307.28 : x
  2. Step 2: Convert to fraction form
    11,612.48/16,024.61 = 6,307.28/x
  3. Step 3: Cross multiply
    11,612.48x = 16,024.61 × 6,307.28
  4. Step 4: Simplify right side
    11,612.48x = 101,071,697.90
  5. Step 5: Solve for x
    x = 101,071,697.90/11,612.48
  6. Step 6: Final answer
    x = 8,703.72

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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.