Home / 8,931.79-12,311.49-6,059.58

Finding the Fourth Proportional to 8,931.79, 12,311.49 and 6,059.58

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Solution

The fourth proportional to 8,931.79, 12,311.49 and 6,059.58 is: 8,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.79 : 12,311.49 = 6,059.58 : x
  2. Step 2: Convert to fraction form
    8,931.79/12,311.49 = 6,059.58/x
  3. Step 3: Cross multiply
    8,931.79x = 12,311.49 × 6,059.58
  4. Step 4: Simplify right side
    8,931.79x = 74,602,435.13
  5. Step 5: Solve for x
    x = 74,602,435.13/8,931.79
  6. Step 6: Final answer
    x = 8,352.47

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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.