Home / 8,895.06-12,275.10-4,915.92

Finding the Fourth Proportional to 8,895.06, 12,275.10 and 4,915.92

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Solution

The fourth proportional to 8,895.06, 12,275.10 and 4,915.92 is: 6,783.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.06 : 12,275.10 = 4,915.92 : x
  2. Step 2: Convert to fraction form
    8,895.06/12,275.10 = 4,915.92/x
  3. Step 3: Cross multiply
    8,895.06x = 12,275.10 × 4,915.92
  4. Step 4: Simplify right side
    8,895.06x = 60,343,409.59
  5. Step 5: Solve for x
    x = 60,343,409.59/8,895.06
  6. Step 6: Final answer
    x = 6,783.92

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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.