Home / 13,307.16-18,363.75-7,339.08

Finding the Fourth Proportional to 13,307.16, 18,363.75 and 7,339.08

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Solution

The fourth proportional to 13,307.16, 18,363.75 and 7,339.08 is: 10,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.16 : 18,363.75 = 7,339.08 : x
  2. Step 2: Convert to fraction form
    13,307.16/18,363.75 = 7,339.08/x
  3. Step 3: Cross multiply
    13,307.16x = 18,363.75 × 7,339.08
  4. Step 4: Simplify right side
    13,307.16x = 134,773,030.35
  5. Step 5: Solve for x
    x = 134,773,030.35/13,307.16
  6. Step 6: Final answer
    x = 10,127.86

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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.