Home / 11,547.12-15,935.08-7,300.04

Finding the Fourth Proportional to 11,547.12, 15,935.08 and 7,300.04

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Solution

The fourth proportional to 11,547.12, 15,935.08 and 7,300.04 is: 10,074.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.12 : 15,935.08 = 7,300.04 : x
  2. Step 2: Convert to fraction form
    11,547.12/15,935.08 = 7,300.04/x
  3. Step 3: Cross multiply
    11,547.12x = 15,935.08 × 7,300.04
  4. Step 4: Simplify right side
    11,547.12x = 116,326,742.99
  5. Step 5: Solve for x
    x = 116,326,742.99/11,547.12
  6. Step 6: Final answer
    x = 10,074.09

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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.