Home / 10,060.48-15,091.20-5,378.56

Finding the Fourth Proportional to 10,060.48, 15,091.20 and 5,378.56

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Solution

The fourth proportional to 10,060.48, 15,091.20 and 5,378.56 is: 8,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,060.48 : 15,091.20 = 5,378.56 : x
  2. Step 2: Convert to fraction form
    10,060.48/15,091.20 = 5,378.56/x
  3. Step 3: Cross multiply
    10,060.48x = 15,091.20 × 5,378.56
  4. Step 4: Simplify right side
    10,060.48x = 81,168,924.67
  5. Step 5: Solve for x
    x = 81,168,924.67/10,060.48
  6. Step 6: Final answer
    x = 8,068.10

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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.