Home / 12,056.04-16,639.02-8,709.68

Finding the Fourth Proportional to 12,056.04, 16,639.02 and 8,709.68

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Solution

The fourth proportional to 12,056.04, 16,639.02 and 8,709.68 is: 12,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.04 : 16,639.02 = 8,709.68 : x
  2. Step 2: Convert to fraction form
    12,056.04/16,639.02 = 8,709.68/x
  3. Step 3: Cross multiply
    12,056.04x = 16,639.02 × 8,709.68
  4. Step 4: Simplify right side
    12,056.04x = 144,920,539.71
  5. Step 5: Solve for x
    x = 144,920,539.71/12,056.04
  6. Step 6: Final answer
    x = 12,020.58

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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.