Home / 10,788.92-14,887.70-7,957.84

Finding the Fourth Proportional to 10,788.92, 14,887.70 and 7,957.84

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Solution

The fourth proportional to 10,788.92, 14,887.70 and 7,957.84 is: 10,981.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.92 : 14,887.70 = 7,957.84 : x
  2. Step 2: Convert to fraction form
    10,788.92/14,887.70 = 7,957.84/x
  3. Step 3: Cross multiply
    10,788.92x = 14,887.70 × 7,957.84
  4. Step 4: Simplify right side
    10,788.92x = 118,473,820.34
  5. Step 5: Solve for x
    x = 118,473,820.34/10,788.92
  6. Step 6: Final answer
    x = 10,981.06

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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.