Home / 10,875.63-16,318.92-4,307.34

Finding the Fourth Proportional to 10,875.63, 16,318.92 and 4,307.34

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Solution

The fourth proportional to 10,875.63, 16,318.92 and 4,307.34 is: 6,463.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.63 : 16,318.92 = 4,307.34 : x
  2. Step 2: Convert to fraction form
    10,875.63/16,318.92 = 4,307.34/x
  3. Step 3: Cross multiply
    10,875.63x = 16,318.92 × 4,307.34
  4. Step 4: Simplify right side
    10,875.63x = 70,291,136.87
  5. Step 5: Solve for x
    x = 70,291,136.87/10,875.63
  6. Step 6: Final answer
    x = 6,463.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.