Home / 11,030.76-15,219.36-10,476.72

Finding the Fourth Proportional to 11,030.76, 15,219.36 and 10,476.72

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Solution

The fourth proportional to 11,030.76, 15,219.36 and 10,476.72 is: 14,454.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.76 : 15,219.36 = 10,476.72 : x
  2. Step 2: Convert to fraction form
    11,030.76/15,219.36 = 10,476.72/x
  3. Step 3: Cross multiply
    11,030.76x = 15,219.36 × 10,476.72
  4. Step 4: Simplify right side
    11,030.76x = 159,448,973.30
  5. Step 5: Solve for x
    x = 159,448,973.30/11,030.76
  6. Step 6: Final answer
    x = 14,454.94

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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.