Home / 10,941.60-15,095.12-6,742.56

Finding the Fourth Proportional to 10,941.60, 15,095.12 and 6,742.56

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Solution

The fourth proportional to 10,941.60, 15,095.12 and 6,742.56 is: 9,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941.60 : 15,095.12 = 6,742.56 : x
  2. Step 2: Convert to fraction form
    10,941.60/15,095.12 = 6,742.56/x
  3. Step 3: Cross multiply
    10,941.60x = 15,095.12 × 6,742.56
  4. Step 4: Simplify right side
    10,941.60x = 101,779,752.31
  5. Step 5: Solve for x
    x = 101,779,752.31/10,941.60
  6. Step 6: Final answer
    x = 9,302.09

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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.