Home / 9,531.90-13,158.68-6,347.08

Finding the Fourth Proportional to 9,531.90, 13,158.68 and 6,347.08

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Solution

The fourth proportional to 9,531.90, 13,158.68 and 6,347.08 is: 8,762.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.90 : 13,158.68 = 6,347.08 : x
  2. Step 2: Convert to fraction form
    9,531.90/13,158.68 = 6,347.08/x
  3. Step 3: Cross multiply
    9,531.90x = 13,158.68 × 6,347.08
  4. Step 4: Simplify right side
    9,531.90x = 83,519,179.37
  5. Step 5: Solve for x
    x = 83,519,179.37/9,531.90
  6. Step 6: Final answer
    x = 8,762.07

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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.