Home / 10,688.63-14,750.62-5,972.92

Finding the Fourth Proportional to 10,688.63, 14,750.62 and 5,972.92

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Solution

The fourth proportional to 10,688.63, 14,750.62 and 5,972.92 is: 8,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.63 : 14,750.62 = 5,972.92 : x
  2. Step 2: Convert to fraction form
    10,688.63/14,750.62 = 5,972.92/x
  3. Step 3: Cross multiply
    10,688.63x = 14,750.62 × 5,972.92
  4. Step 4: Simplify right side
    10,688.63x = 88,104,221.40
  5. Step 5: Solve for x
    x = 88,104,221.40/10,688.63
  6. Step 6: Final answer
    x = 8,242.80

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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.