Home / 11,460.60-15,814.53-6,681.06

Finding the Fourth Proportional to 11,460.60, 15,814.53 and 6,681.06

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Solution

The fourth proportional to 11,460.60, 15,814.53 and 6,681.06 is: 9,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,460.60 : 15,814.53 = 6,681.06 : x
  2. Step 2: Convert to fraction form
    11,460.60/15,814.53 = 6,681.06/x
  3. Step 3: Cross multiply
    11,460.60x = 15,814.53 × 6,681.06
  4. Step 4: Simplify right side
    11,460.60x = 105,657,823.80
  5. Step 5: Solve for x
    x = 105,657,823.80/11,460.60
  6. Step 6: Final answer
    x = 9,219.22

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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.