Home / 11,740.08-16,188.30-7,484.40

Finding the Fourth Proportional to 11,740.08, 16,188.30 and 7,484.40

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Solution

The fourth proportional to 11,740.08, 16,188.30 and 7,484.40 is: 10,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,740.08 : 16,188.30 = 7,484.40 : x
  2. Step 2: Convert to fraction form
    11,740.08/16,188.30 = 7,484.40/x
  3. Step 3: Cross multiply
    11,740.08x = 16,188.30 × 7,484.40
  4. Step 4: Simplify right side
    11,740.08x = 121,159,712.52
  5. Step 5: Solve for x
    x = 121,159,712.52/11,740.08
  6. Step 6: Final answer
    x = 10,320.18

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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.