Home / 10,316.79-14,237.16-5,779.51

Finding the Fourth Proportional to 10,316.79, 14,237.16 and 5,779.51

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Solution

The fourth proportional to 10,316.79, 14,237.16 and 5,779.51 is: 7,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.79 : 14,237.16 = 5,779.51 : x
  2. Step 2: Convert to fraction form
    10,316.79/14,237.16 = 5,779.51/x
  3. Step 3: Cross multiply
    10,316.79x = 14,237.16 × 5,779.51
  4. Step 4: Simplify right side
    10,316.79x = 82,283,751.85
  5. Step 5: Solve for x
    x = 82,283,751.85/10,316.79
  6. Step 6: Final answer
    x = 7,975.71

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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.