Home / 10,275.81-15,409.67-5,599.68

Finding the Fourth Proportional to 10,275.81, 15,409.67 and 5,599.68

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Solution

The fourth proportional to 10,275.81, 15,409.67 and 5,599.68 is: 8,397.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.81 : 15,409.67 = 5,599.68 : x
  2. Step 2: Convert to fraction form
    10,275.81/15,409.67 = 5,599.68/x
  3. Step 3: Cross multiply
    10,275.81x = 15,409.67 × 5,599.68
  4. Step 4: Simplify right side
    10,275.81x = 86,289,192.91
  5. Step 5: Solve for x
    x = 86,289,192.91/10,275.81
  6. Step 6: Final answer
    x = 8,397.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.