Home / 9,905.61-13,671.95-6,548.91

Finding the Fourth Proportional to 9,905.61, 13,671.95 and 6,548.91

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Solution

The fourth proportional to 9,905.61, 13,671.95 and 6,548.91 is: 9,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.61 : 13,671.95 = 6,548.91 : x
  2. Step 2: Convert to fraction form
    9,905.61/13,671.95 = 6,548.91/x
  3. Step 3: Cross multiply
    9,905.61x = 13,671.95 × 6,548.91
  4. Step 4: Simplify right side
    9,905.61x = 89,536,370.07
  5. Step 5: Solve for x
    x = 89,536,370.07/9,905.61
  6. Step 6: Final answer
    x = 9,038.96

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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.