Home / 8,580.88-11,838.90-5,045.32

Finding the Fourth Proportional to 8,580.88, 11,838.90 and 5,045.32

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Solution

The fourth proportional to 8,580.88, 11,838.90 and 5,045.32 is: 6,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.88 : 11,838.90 = 5,045.32 : x
  2. Step 2: Convert to fraction form
    8,580.88/11,838.90 = 5,045.32/x
  3. Step 3: Cross multiply
    8,580.88x = 11,838.90 × 5,045.32
  4. Step 4: Simplify right side
    8,580.88x = 59,731,038.95
  5. Step 5: Solve for x
    x = 59,731,038.95/8,580.88
  6. Step 6: Final answer
    x = 6,960.95

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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.