Home / 11,005.40-15,185.95-6,226.00

Finding the Fourth Proportional to 11,005.40, 15,185.95 and 6,226.00

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Solution

The fourth proportional to 11,005.40, 15,185.95 and 6,226.00 is: 8,591.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.40 : 15,185.95 = 6,226.00 : x
  2. Step 2: Convert to fraction form
    11,005.40/15,185.95 = 6,226.00/x
  3. Step 3: Cross multiply
    11,005.40x = 15,185.95 × 6,226.00
  4. Step 4: Simplify right side
    11,005.40x = 94,547,671.17
  5. Step 5: Solve for x
    x = 94,547,671.17/11,005.40
  6. Step 6: Final answer
    x = 8,591.02

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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.