Home / 10,152.84-14,015.03-8,730.79

Finding the Fourth Proportional to 10,152.84, 14,015.03 and 8,730.79

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Solution

The fourth proportional to 10,152.84, 14,015.03 and 8,730.79 is: 12,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.84 : 14,015.03 = 8,730.79 : x
  2. Step 2: Convert to fraction form
    10,152.84/14,015.03 = 8,730.79/x
  3. Step 3: Cross multiply
    10,152.84x = 14,015.03 × 8,730.79
  4. Step 4: Simplify right side
    10,152.84x = 122,362,205.08
  5. Step 5: Solve for x
    x = 122,362,205.08/10,152.84
  6. Step 6: Final answer
    x = 12,052.01

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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.