Home / 10,438.17-14,408.60-6,461.07

Finding the Fourth Proportional to 10,438.17, 14,408.60 and 6,461.07

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Solution

The fourth proportional to 10,438.17, 14,408.60 and 6,461.07 is: 8,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.17 : 14,408.60 = 6,461.07 : x
  2. Step 2: Convert to fraction form
    10,438.17/14,408.60 = 6,461.07/x
  3. Step 3: Cross multiply
    10,438.17x = 14,408.60 × 6,461.07
  4. Step 4: Simplify right side
    10,438.17x = 93,094,940.90
  5. Step 5: Solve for x
    x = 93,094,940.90/10,438.17
  6. Step 6: Final answer
    x = 8,918.70

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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.