Home / 9,092.40-12,547.80-5,113.32

Finding the Fourth Proportional to 9,092.40, 12,547.80 and 5,113.32

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Solution

The fourth proportional to 9,092.40, 12,547.80 and 5,113.32 is: 7,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,092.40 : 12,547.80 = 5,113.32 : x
  2. Step 2: Convert to fraction form
    9,092.40/12,547.80 = 5,113.32/x
  3. Step 3: Cross multiply
    9,092.40x = 12,547.80 × 5,113.32
  4. Step 4: Simplify right side
    9,092.40x = 64,160,916.70
  5. Step 5: Solve for x
    x = 64,160,916.70/9,092.40
  6. Step 6: Final answer
    x = 7,056.54

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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.