Home / 10,787.09-14,886.14-6,071.45

Finding the Fourth Proportional to 10,787.09, 14,886.14 and 6,071.45

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Solution

The fourth proportional to 10,787.09, 14,886.14 and 6,071.45 is: 8,378.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.09 : 14,886.14 = 6,071.45 : x
  2. Step 2: Convert to fraction form
    10,787.09/14,886.14 = 6,071.45/x
  3. Step 3: Cross multiply
    10,787.09x = 14,886.14 × 6,071.45
  4. Step 4: Simplify right side
    10,787.09x = 90,380,349.92
  5. Step 5: Solve for x
    x = 90,380,349.92/10,787.09
  6. Step 6: Final answer
    x = 8,378.57

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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.