Home / 10,556.77-15,840.63-7,659.00

Finding the Fourth Proportional to 10,556.77, 15,840.63 and 7,659.00

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Solution

The fourth proportional to 10,556.77, 15,840.63 and 7,659.00 is: 11,492.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.77 : 15,840.63 = 7,659.00 : x
  2. Step 2: Convert to fraction form
    10,556.77/15,840.63 = 7,659.00/x
  3. Step 3: Cross multiply
    10,556.77x = 15,840.63 × 7,659.00
  4. Step 4: Simplify right side
    10,556.77x = 121,323,267.67
  5. Step 5: Solve for x
    x = 121,323,267.67/10,556.77
  6. Step 6: Final answer
    x = 11,492.46

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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.