Home / 10,396.71-14,347.53-5,681.07

Finding the Fourth Proportional to 10,396.71, 14,347.53 and 5,681.07

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Solution

The fourth proportional to 10,396.71, 14,347.53 and 5,681.07 is: 7,839.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.71 : 14,347.53 = 5,681.07 : x
  2. Step 2: Convert to fraction form
    10,396.71/14,347.53 = 5,681.07/x
  3. Step 3: Cross multiply
    10,396.71x = 14,347.53 × 5,681.07
  4. Step 4: Simplify right side
    10,396.71x = 81,509,322.26
  5. Step 5: Solve for x
    x = 81,509,322.26/10,396.71
  6. Step 6: Final answer
    x = 7,839.91

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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.