Home / 11,518.60-15,897.06-6,483.01

Finding the Fourth Proportional to 11,518.60, 15,897.06 and 6,483.01

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Solution

The fourth proportional to 11,518.60, 15,897.06 and 6,483.01 is: 8,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.60 : 15,897.06 = 6,483.01 : x
  2. Step 2: Convert to fraction form
    11,518.60/15,897.06 = 6,483.01/x
  3. Step 3: Cross multiply
    11,518.60x = 15,897.06 × 6,483.01
  4. Step 4: Simplify right side
    11,518.60x = 103,060,798.95
  5. Step 5: Solve for x
    x = 103,060,798.95/11,518.60
  6. Step 6: Final answer
    x = 8,947.34

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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.