Home / 13,303.48-18,358.56-7,335.70

Finding the Fourth Proportional to 13,303.48, 18,358.56 and 7,335.70

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Solution

The fourth proportional to 13,303.48, 18,358.56 and 7,335.70 is: 10,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.48 : 18,358.56 = 7,335.70 : x
  2. Step 2: Convert to fraction form
    13,303.48/18,358.56 = 7,335.70/x
  3. Step 3: Cross multiply
    13,303.48x = 18,358.56 × 7,335.70
  4. Step 4: Simplify right side
    13,303.48x = 134,672,888.59
  5. Step 5: Solve for x
    x = 134,672,888.59/13,303.48
  6. Step 6: Final answer
    x = 10,123.13

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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.