Home / 12,715.60-17,547.44-7,050.35

Finding the Fourth Proportional to 12,715.60, 17,547.44 and 7,050.35

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Solution

The fourth proportional to 12,715.60, 17,547.44 and 7,050.35 is: 9,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.60 : 17,547.44 = 7,050.35 : x
  2. Step 2: Convert to fraction form
    12,715.60/17,547.44 = 7,050.35/x
  3. Step 3: Cross multiply
    12,715.60x = 17,547.44 × 7,050.35
  4. Step 4: Simplify right side
    12,715.60x = 123,715,478.84
  5. Step 5: Solve for x
    x = 123,715,478.84/12,715.60
  6. Step 6: Final answer
    x = 9,729.43

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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.