Home / 10,329.12-14,254.24-5,613.40

Finding the Fourth Proportional to 10,329.12, 14,254.24 and 5,613.40

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Solution

The fourth proportional to 10,329.12, 14,254.24 and 5,613.40 is: 7,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.12 : 14,254.24 = 5,613.40 : x
  2. Step 2: Convert to fraction form
    10,329.12/14,254.24 = 5,613.40/x
  3. Step 3: Cross multiply
    10,329.12x = 14,254.24 × 5,613.40
  4. Step 4: Simplify right side
    10,329.12x = 80,014,750.82
  5. Step 5: Solve for x
    x = 80,014,750.82/10,329.12
  6. Step 6: Final answer
    x = 7,746.52

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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.