Home / 12,973.65-17,901.25-7,307.18

Finding the Fourth Proportional to 12,973.65, 17,901.25 and 7,307.18

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Solution

The fourth proportional to 12,973.65, 17,901.25 and 7,307.18 is: 10,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973.65 : 17,901.25 = 7,307.18 : x
  2. Step 2: Convert to fraction form
    12,973.65/17,901.25 = 7,307.18/x
  3. Step 3: Cross multiply
    12,973.65x = 17,901.25 × 7,307.18
  4. Step 4: Simplify right side
    12,973.65x = 130,807,655.98
  5. Step 5: Solve for x
    x = 130,807,655.98/12,973.65
  6. Step 6: Final answer
    x = 10,082.56

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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.