Home / 10,366.16-14,271.99-9,226.40

Finding the Fourth Proportional to 10,366.16, 14,271.99 and 9,226.40

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Solution

The fourth proportional to 10,366.16, 14,271.99 and 9,226.40 is: 12,702.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.16 : 14,271.99 = 9,226.40 : x
  2. Step 2: Convert to fraction form
    10,366.16/14,271.99 = 9,226.40/x
  3. Step 3: Cross multiply
    10,366.16x = 14,271.99 × 9,226.40
  4. Step 4: Simplify right side
    10,366.16x = 131,679,088.54
  5. Step 5: Solve for x
    x = 131,679,088.54/10,366.16
  6. Step 6: Final answer
    x = 12,702.78

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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.