Home / 10,849.32-14,971.80-6,657.48

Finding the Fourth Proportional to 10,849.32, 14,971.80 and 6,657.48

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Solution

The fourth proportional to 10,849.32, 14,971.80 and 6,657.48 is: 9,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,849.32 : 14,971.80 = 6,657.48 : x
  2. Step 2: Convert to fraction form
    10,849.32/14,971.80 = 6,657.48/x
  3. Step 3: Cross multiply
    10,849.32x = 14,971.80 × 6,657.48
  4. Step 4: Simplify right side
    10,849.32x = 99,674,459.06
  5. Step 5: Solve for x
    x = 99,674,459.06/10,849.32
  6. Step 6: Final answer
    x = 9,187.16

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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.