Home / 13,303.24-18,359.57-7,335.47

Finding the Fourth Proportional to 13,303.24, 18,359.57 and 7,335.47

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Solution

The fourth proportional to 13,303.24, 18,359.57 and 7,335.47 is: 10,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.24 : 18,359.57 = 7,335.47 : x
  2. Step 2: Convert to fraction form
    13,303.24/18,359.57 = 7,335.47/x
  3. Step 3: Cross multiply
    13,303.24x = 18,359.57 × 7,335.47
  4. Step 4: Simplify right side
    13,303.24x = 134,676,139.19
  5. Step 5: Solve for x
    x = 134,676,139.19/13,303.24
  6. Step 6: Final answer
    x = 10,123.56

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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.