Home / 10,790.16-14,886.86-6,310.74

Finding the Fourth Proportional to 10,790.16, 14,886.86 and 6,310.74

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Solution

The fourth proportional to 10,790.16, 14,886.86 and 6,310.74 is: 8,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.16 : 14,886.86 = 6,310.74 : x
  2. Step 2: Convert to fraction form
    10,790.16/14,886.86 = 6,310.74/x
  3. Step 3: Cross multiply
    10,790.16x = 14,886.86 × 6,310.74
  4. Step 4: Simplify right side
    10,790.16x = 93,947,071.32
  5. Step 5: Solve for x
    x = 93,947,071.32/10,790.16
  6. Step 6: Final answer
    x = 8,706.74

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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.