Home / 10,690.07-14,756.40-9,569.03

Finding the Fourth Proportional to 10,690.07, 14,756.40 and 9,569.03

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Solution

The fourth proportional to 10,690.07, 14,756.40 and 9,569.03 is: 13,208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.07 : 14,756.40 = 9,569.03 : x
  2. Step 2: Convert to fraction form
    10,690.07/14,756.40 = 9,569.03/x
  3. Step 3: Cross multiply
    10,690.07x = 14,756.40 × 9,569.03
  4. Step 4: Simplify right side
    10,690.07x = 141,204,360.51
  5. Step 5: Solve for x
    x = 141,204,360.51/10,690.07
  6. Step 6: Final answer
    x = 13,208.93

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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.