Home / 12,340.53-17,030.66-7,037.06

Finding the Fourth Proportional to 12,340.53, 17,030.66 and 7,037.06

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Solution

The fourth proportional to 12,340.53, 17,030.66 and 7,037.06 is: 9,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.53 : 17,030.66 = 7,037.06 : x
  2. Step 2: Convert to fraction form
    12,340.53/17,030.66 = 7,037.06/x
  3. Step 3: Cross multiply
    12,340.53x = 17,030.66 × 7,037.06
  4. Step 4: Simplify right side
    12,340.53x = 119,845,655.92
  5. Step 5: Solve for x
    x = 119,845,655.92/12,340.53
  6. Step 6: Final answer
    x = 9,711.55

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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.